Microorganisms on a sample of asteroid are clearly terrestrial — despite strict protocols to avoid contamination.

At the end of September, Earth gained a temporary "mini moon," a tiny asteroid from the Arjuna asteroid belt orbiting the Sun ...

Astronomers have taken the first close-up image of a star beyond our galaxy, and it’s a “monster star” surrounded by a cocoon ...

A large planet has been spotted orbiting a dwarf star that is just 3 million years old, offering possible clues to how the ...

An asteroid the size of Manhattan’s Empire State Building will safely pass on April 13, 2029, in a once every 5,000 to 10,000 ...

António Guterres, secretary-general of the UN, is in a unique position to start a conversation about geoengineering. He ...

SpaceX conducted the sixth Starship and Super Heavy test flight Tuesday afternoon, the fastest turnaround yet in the ...

Coal ash—the chalky remnants of coal that has been burned for fuel—has been piling up across the United States for decades.

In an unsurprising move, Disney has removed Marvel Studios' Blade from its release calendar. Blade's theatrical release was ...

Rocket Lab CEO Peter Beck broke down his morning routine, which starts before 5 a.m. and doesn't include any coffee or ...

Scientists have been tracking the magnetic North Pole for centuries, telling the British newspaper The Times that it had ...

China’s near stranglehold on critically important rare earths is drawing Australia closer to the U.S. and creating a unique ...