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

While scientists examine the comet's chemistry, telescopes across the solar system are capturing dramatic new images. NASA's ...

The Wide Field Camera 3 instrument gives the telescope the ability to capture a panchromatic view of objects flying through ...

NASA has visualized the cataclysm, which is thought to have caused a mysterious eruption of gamma rays captured by telescopes ...

Astronomers at the University of North Carolina at Chapel Hill have helped uncover new clues about the longest-lasting cosmic ...

New images taken by the Hubble Space Telescope and a Jupiter-bound mission showcase interstellar comet 3I/ATLAS ahead of its close pass by Earth.

The final milestone in construction was reached on November 25, as technicians carefully joined the giant telescope's inner ...

The eighth day of the 18th annual Space Telescope Advent Calendar features a young star cluster carving out space inside a ...

NASA's Jonny Kim and two cosmonauts are scheduled to leave the ISS today (Dec. 8) at 8:41 p.m. ET. Three astronauts will head ...

However, astronomers in Hawaii just spotted a pair of exciting discoveries — a huge exoplanet and a brown dwarf — using Japan ...

Wonder Bound, the product of a collaboration between Johns Hopkins University, the Space Telescope Science Institute, and the ...