James Webb Space Telescope and the W.M. Keck Observatory captured new images of Saturn's moon Titan. Credit: NASA/STScI/W. M.

The 3I/ATLAS comet is only the third object ever identified as entering our solar system from elsewhere in the galaxy. While ...

A nearby binary star system is bereft of giant planets, but scientists think it may still be a decent place to look for life.

The object is the third interstellar visitor to our solar system ever confirmed. It will reach its closest point to Earth ...

Astronomers spotted the largest flare ever released from a supermassive black hole as it snacked on a giant star.

A colossal star met an unexpected fate when it drifted too close to a supermassive black hole 10 billion light-years away.

On November 23 it was my pleasure to be among an audience of music lovers and supporters of the Santa Barbara Youth Symphony ...

Optical telescopes utilize refraction and reflection to focus light, enabling detailed astronomical observations and ...

The most barren regions of the universe are the far-flung corners of intergalactic space. In these vast expanses between the galaxies, a diffuse haze of hydrogen gas left over from the Big Bang is ...

What's the best way to reveal what an exoplanet is made of? Wait for it to get gravitationally shredded and engulfed by its star, of course! Astronomers using the W. M. Keck Observatory on Mauna Kea, ...

Astronomers generally assume that active galaxies may shift and flicker, since their central supermassive black holes tend to ...

Discovered in July, 3I/ATLAS quickly generated excitement within the scientific community due to its rarity. Prior to this comet, only two other interstellar objects—Oumuamua in 2017 and comet ...