Interstellar comet 3I/ATLAS reveals ancient secrets and strange chemistry as the largest object of its kind ever tracked.

NASA lost communication with its MAVEN probe nearly a month ago, and efforts to re-establish a connection have been futile.

As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a ...

NASA’s Mars rover finds organic signals in mudstone that resemble microbial activity, sparking new debate over life on the ...

Fans of the Predator franchise should check out these 15 other movies featuring alien threats, outer-space terror, and ...

Chinese scientists have identified eight potential karst caves on Mars, formed by water, marking a significant breakthrough in astrobiology.

Mars has never looked more like a planet built for hiding secrets. A cluster of eight vast, water-carved caves appears almost engineered to shield fragile chemistry, or even biology, from the brutal ...

New images from NASA 's Hubble Space Telescope have revealed an enormous, oddly shaped disk of gas and dust around a single ...

Yes, zombie creatures from another world could indeed land on a defenseless planet, but in a twist, it's the Earthlings who would be the invaders.

Until now, scientists believed that Mars’ skylights – pits in the surface of mars – were formed by volcanic activity. But ...

Are aliens real? A Nature Astronomy study reveals 87% of experts believe life exists. Explore how 3I/ATLAS and AI are ...

Some scientific breakthroughs may be lost to time due to scandal and redaction, while others are simply a case of waiting for ...