A mysterious interstellar comet known as 3I/ATLAS is about to make its closest approach to Earth in December 2025. Here's ...

New 3I/ATLAS images from NASA and the ESA suggest the interstellar comet is active as it approaches Earth in December.

I/ATLAS attracted attention when it was confirmed to be only the third body originating from another star system.

NASA has finished building the Nancy Grace Roman Space Telescope, completing assembly of the agency’s next flagship ...

Satellites reflect sunlight, Earthshine, infrared and radio waves.

Three years into its cosmic mission, NASA's James Webb Space Telescope continues to dazzle and inspire awe. Since July 2022, the advanced observatory has scoured the cosmos in otherwise invisible ...

NASA’s James Webb Space Telescope observations reveal TOI-561 b has a cooler-than-expected dayside, indicating a thick atmosphere above a global magma ocean, based on infrared emission measurements.

If you feel a thrill every time we discover something new about the cosmos, then November 25th may have been a noteworthy day ...

Data from the James Webb Space Telescope suggests that exoplanet TOI-561 b is surrounded by a thick atmosphere above a global magma ocean.

Launched by NASA in 2009, the Kepler space telescope was outfitted with equipment to discover and study Earth-sized planets in the Milky Way galaxy. It was named after the 17th century scientist and ...

NASA's Goddard Space Flight Center in Maryland is facing controversy over potential building closures. Here's what's been ...

NASA has completed assembly of the Nancy Grace Roman Space Telescope, preparing for final testing and launch by May 2027 to ...