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

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

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

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

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

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

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

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

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

On December 19, avid skywatchers can catch a glimpse of the mysterious visitor through powerful binoculars or a telescope ...

NASA's Perseverance Mars rover captured this view of a location nicknamed "Mont Musard" on Sept. 8, 2025. Made up of three images, the panorama also ...

NASA’s HiRISE camera captured its 100,000th image of Mars in 2025. Stunning orbital photos reveal dunes, mesas and surface ...