The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar ...

NASA's Phoenix lander, which touched down on Mars in 2008, initially struggled to scoop the planet’s rusty red regolith into a device that heats the rocks to sniff out their components.

More than $10 billion in funds are included in Trump’s tax and spending bill for NASA programs previously targeted by the ...

Why is Mars barren and uninhabitable, while life has always thrived here on our relatively similar planet Earth? A discovery ...

Why is Mars barren and uninhabitable, while life has always thrived here on our relatively similar planet Earth?

In an unexpected turn of events, NASA’s Curiosity rover has cracked open a rock on Mars, uncovering something so surprising ...

Curiosity, NASA's Mars rover, accidentally cracked open a seemingly ordinary rock, revealing an unexpected yellow substance ...

A Martian meteorite, NWA-16788, weighing 24.67 kg, will be auctioned at Sotheby's. Found in Niger, it is estimated to fetch up to $4 million.

Microbes have been discovered alive inside 2-billion-year-old rock, offering a rare window into Earth’s deep past. Found in ...

A rock on Mars spilled a surprising yellow treasure after Curiosity accidentally cracked through its unremarkable exterior.

In a groundbreaking revelation, NASA’s rover discoveries may change everything we thought we knew about thehistory of Mars.

NASA has discovered a rare interstellar object named 3I/ATLAS—only the third of its kind ever detected. The comet, which ...