The Hubble Space Telescope has captured the best picture yet of a high-speed comet visiting our solar system from another ...

NASA's Hubble Space Telescope got an up-close look at a headline-grabbing object known as 3I/ATLAS that has wandered into ...

Scientists have found strong evidence of a giant gas planet in the nearest star system to our own. At four-and-a-half light years away, the lifeless planet would be a close neighbour to Earth in ...

The latest observations of 3I/ATLAS suggest it resembles comets from the outer reaches of our solar system, but may be ...

In fact, today’s advanced telescopes and space observatories — such as Hubble, James Webb Space Telescope (JWST), TESS, Neil Gehrels Swift Observatory, and Hawaii’s W.M. Keck Observatory — are ...

The very first stars in the universe may have been much smaller than scientists thought — potentially explaining why we can't ...