The Hubble Space Telescope was originally expected to last about 15 years in orbit, before its optical surfaces became too ...

I/ATLAS has unexpectedly become bluer than the Sun, hinting that it could be emitting light, not just reflecting it — a sign ...

Trapped in a gravitational push and pull between Jupiter and other Jovian moons, Io is constantly being stretched and ...

Scientists believe 3I/ATLAS contains significant amounts of carbon dioxide, similar to comets formed in cold, distant star ...

Historically, the Andromeda Galaxy (M31) was a subject of extensive debate, initially considered a "nebulous smear" and later central to the "island universe" hypothesis proposing its status as an ...

NASA's Chandra X-ray Observatory and Hubble Space Telescope confirmed the existence of a companion star orbiting Betelgeuse, ...

NASA’s James Webb Space Telescope (JWST) has captured an extraordinary and unprecedented sight: a moon-forming disk ...

The 3I/ATLAS comet was first spotted in July near Jupiter after it entered our solar system from another universe. Here’s ...

As the third confirmed interstellar object to pass through our solar system, 3I/ATLAS is prime for new discoveries. It was ...

Located only 56 million light-years away in Ursa Major, NGC 4102 gives astronomers a nearby target to study how these active ...

NASA joins the Roman space telescope and key instruments, marking a milestone toward its 2027 launch to reveal the cosmos.

When evaluating possible planets out of the thousands out there, explained Prof. Bean, scientists look for liquid water as a main guiding principle. “All life on Earth needs liquid water, no matter ...