NASA's alien-hunting Europa Clipper spacecraft took seven hours of ultraviolet observations of interstellar comet 3I/ATLAS ...

On Dec. 18, 1999, NASA launched its flagship Terra satellite into Earth's orbit to collect data about Earth's changing ...

The space object, which was only recently discovered by scientists, will pass closest to Earth on Friday, December 19. Here's ...

The 38-foot-wide space rock is projected to come to within just 123,000 miles of our planet, according to NASA.

Watch a prototype of NASA's Volatiles Investigating Polar Exploration Rover, (VIPER) roll down a ramp to simulate its ...

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 ...

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 ...

NASA has announced a new Landsat Science Team to ensure accurate, long-term Earth monitoring, strengthening how satellites ...

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

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

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