Venus and Mars may have once supported life. This video explores the evidence and theories surrounding the potential for life ...

NASA engineers confirm the Perseverance rover can continue its scientific mission on Mars, with durability tests showing it ...

Comet 3I/ATLAS is the third known interstellar comet after 2017's 1I/'Oumuamua and 2019's 2I/Borisov. It was discovered on ...

Interstellar comet 3I/ATLAS makes its closest approach to Earth on Dec. 19. Here's how you can track its progress both during ...

Mars planners are increasingly treating ice not just as a resource to drink or split for rocket fuel, but as a structural ...

When the Perseverance rover arrived on Mars nearly five years ago, NASA officials thought the next American lander to take ...

Mars changed from a blue world with water to a red desert because its atmosphere escaped into space over billions of years.

NASA’s Perseverance rover has been exploring the surface of Mars since it landed there in spectacular fashion nearly five ...

Comet 3I/ATLAS is a rare visitor passing briefly through our solar system. Here’s how to find it in the night sky—and what ...

Comet 3I/ATLAS, the third interstellar object ever detected, will swing closest to Earth overnight from Thursday to Friday ...

Interstellar comet 3I/ATLAS will fly by our planet at a safe distance of 1.8 astronomical units (roughly 167 million miles or ...

Researchers have pushed back on NASA's claims that 3I/ATLAS is an ordinary comet, just hours before it makes its closest ...