"The fact that terrestrial microbes are the Earth's best colonizers means we can never completely discount terrestrial ...

Scientists have found microorganisms crawling over a sample retrieved from the 200 million-mile-distant asteroid Ryugu. But ...

Mega-constellations of internet satellites are quickly filling the skies. Experts are begging regulators to slow it down and ...

Astronomers used the Two-meter Twin Telescope to catch a "see-you-soon" image of the asteroid 2024 PT5 as it ended its stint ...

A study of fossilized feces and vomit attempts to piece together why dinosaurs were so evolutionarily successful.

The Tianzhou 7 spacecraft undocked from China's Tiangong space station on Nov. 10 and reentered Earth's atmosphere at around ...

Nowhere else on Earth are so many children on the run, so many people living with such acute hunger. Famine has already been ...

WB—is estimated to be between 240 and 525 feet across and will pass us at about twice the distance between the Earth and moon ...

Capping global warming at 1.5°C is a tall order. Achieving that goal will not only require a massive reduction in greenhouse ...

Preliminary research suggests asteroid 2024 PT5, which stuck around Earth for almost two months, has lunar origins ...

Asteroid 2024 PT5 didn't stick around for Thanksgiving, but don't be sad. It will be back... but will it ever be a second ...

Earth is about to bid farewell to its temporary celestial companion as asteroid 2024 PT5 prepares to depart our orbit on ...