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Scientists observe 'negative time' in quantum experiments

Scientists have long known that light can sometimes appear to exit a material before entering it -- an effect dismissed as an illusion caused by how waves are distorted by matter.

SpaceX to launch more private astronaut missions to ISS

Elon Musk's SpaceX is planning to fly private crew missions to the International Space Station in partnership with a Calfornia-based startup, the two companies said on Thursday.

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Where in the world is closest to becoming a '15-minute city'?

Paris and Milan are among the cities closest to reaching the urban planning goal of being a "15-minute city," while car-dependent metropolises in the United States and elsewhere lag behind, a worldwide analysis said Monday.

The stone-eaters that threaten Iran's ancient Persepolis

Conservationists at Persepolis, Iran's most iconic ancient site, are waging a delicate battle against an unlikely adversary: tiny but persistent lichens eroding the millennia-old monuments.

Historic private astronaut mission ends with splashdown off Florida

The SpaceX Polaris Dawn mission, which made history when its crew conducted the first spacewalk by non-government astronauts, concluded early Sunday with a splashdown off the coast of Florida.

Historic private astronaut mission splashes down off Florida

The SpaceX Polaris Dawn mission, which made history when its crew conducted the first spacewalk by non-government astronauts, splashed down off the coast of Florida early Sunday.

Historic private astronaut mission prepares for splashdown

The SpaceX Polaris Dawn mission, which made history when its crew conducted the first ever spacewalk by non-government astronauts, is returning to Earth on Sunday.

OpenAI releases reasoning AI with eye on safety, accuracy

ChatGPT creator OpenAI on Thursday released a new series of artificial intelligence models designed to spend more time thinking -- in hopes that generative AI chatbots provide more accurate and beneficial responses.

SpaceX makes history with first spacewalks by private citizens

A pioneering private crew made history Thursday by becoming the first civilians to perform spacewalks, marking a giant leap forward for the commercial space industry.

SpaceX Polaris Dawn crew begins historic private spacewalk

A pioneering private crew made history Thursday with the first-ever spacewalk by non-professional astronauts, marking a giant leap forward for the commercial space industry.

SpaceX Polaris Dawn crew set for historic private spacewalk

After trekking deeper into space than any humans in the last half-century, a pioneering private crew is set to make history Thursday with the first-ever spacewalk by non-professional astronauts.

Was a lack of get-up-and-go the death of the Neanderthals?

A new study posits a very surprising answer to one of history's great mysteries -- what killed off the Neanderthals?

Hong Kong diary shows China's little-known naval D-Day role

The night before June 6, 1944, fleets of warships moved in darkness towards the beaches of Normandy, France, for a massive strike, with Chinese naval officer Lam Ping-yu on one of the vessels.

Private astronauts on daring trek ahead of historic spacewalk

A private crew set out on an audacious orbital expedition Tuesday, journeying deeper into the cosmos than any humans in half a century as they prepare for the first ever spacewalk by non-professional astronauts.

Sony to release PlayStation 5 Pro on November 7

Sony said Tuesday it would launch an upgraded version of its flagship games console with better graphics and AI capabilities on November 7, calling it PlayStation 5 Pro.

SpaceX launches all-civilian crew for first private spacewalk

SpaceX launched its daring Polaris Dawn mission on Tuesday, a multiday orbital expedition carrying a four-member civilian crew for the first spacewalk by non-professional astronauts.

Methane rising faster than other greenhouse gases: researchers

Concentrations in the atmosphere of the powerful greenhouse gas methane are rising at an accelerating pace, threatening efforts by countries to meet their climate targets, researchers warned on Tuesday.

SpaceX Polaris Dawn mission aiming for history with first private spacewalk

The SpaceX Polaris Dawn mission, a daring multiday orbital expedition that will feature the first-ever spacewalk by private citizens, is targeting liftoff early Tuesday, though weather could play spoilsport.

Apple unveils new iPhone built for AI

Apple on Monday announced a new iPhone built for generative artificial intelligence as it seeks to boost sales and show it is keeping up in the technology race.

First step for Europe's hyperloop vehicles with test launch

The dream of hurtling between European cities at speeds of more than 700 kilometres per hour moved a step closer Monday with the first successful vehicle tests at the European Hyperloop Centre.

'Astonishing': Eaten eels recorded escaping from fish guts

Eels that have been swallowed by fish have been recorded for the first time sliding tail-first back out of their would-be predators' stomach and escaping out of their gills, a study said Monday.

Apple AI expected to star as new iPhones are unveiled

Apple is expected to release its latest line of iPhones on Monday that will feature generative AI capabilities as the tech behemoth looks to bolster sales of its iconic device.

Boeing's beleaguered Starliner returns home without astronauts

Boeing's beleaguered Starliner made its long-awaited return to Earth on Saturday without the astronauts who rode it up to the International Space Station, after NASA ruled the trip back too risky.

Boeing's beleaguered Starliner back home empty

Boeing's beleaguered Starliner returned to Earth empty Saturday after NASA deemed it too risky to bring home the astronauts who rode the spaceship up to the International Space Station.

Old satellite to burn up over Pacific in 'targeted' re-entry first

After 24 years diligently studying Earth's magnetic field, a satellite will mostly burn up over the Pacific Ocean on Sunday during a "targeted" re-entry into the atmosphere, in a first for the European Space Agency as it seeks to reduce space debris.

Boeing's beleaguered Starliner coming home empty

Boeing's beleaguered Starliner left the International Space Station (ISS) on Friday, bound for Earth without the astronauts who rode up on the spaceship after NASA deemed the risk too great.

Boeing's troubled Starliner spaceship returning to Earth without crew

Boeing's problem-plagued Starliner left the International Space Station (ISS) on Friday, bound for Earth without astronauts after NASA deemed the risk too great.

Boeing's troubled Starliner spaceship to return to Earth sans crew

Boeing's problem-plagued Starliner is set to finally depart the International Space Station (ISS) on Friday, returning to Earth without astronauts after NASA deemed the risk too great.

Andean 'Viagra': Peru seizes hundreds of frogs used as aphrodisiacs

Peruvian authorities said Thursday they had seized hundreds of endangered frogs from Lake Titicaca that were illegally captured to be used for their purported aphrodisiac properties.

Spacecraft flies closer to Mercury than planned after thruster glitch

A spacecraft carrying European and Japanese probes passed closer to Mercury than originally planned overnight after thruster problems delayed the mission to study the little-known, Sun-scorched planet.

NASA admits tension with Boeing over space rescue plan

NASA admitted on Wednesday there was "tension" during meetings with Boeing executives about how to bring home two astronauts stranded on the International Space Station, but denied reports of shouting matches.

Rise of Germany's far-right AfD stokes fears at concentration camp site

The historian running the memorial at Germany's former Nazi concentration camp Buchenwald is no stranger to hate crime and threats, but he fears more trouble ahead after the far-right AfD's election triumph.

SpaceX Polaris Dawn mission set to launch early Friday

The SpaceX Polaris Dawn mission, a multiday orbital expedition set to feature the first-ever spacewalk by private citizens, is now scheduled to launch on Friday, according to the Federal Aviation Administration.

Inside the 'golden age' of alien hunting at the Green Bank Telescope

Nestled between mountains in a secluded corner of West Virginia, a giant awakens: the Green Bank Telescope begins its nightly vigil, scanning the cosmos for secrets.

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