The 18th day of the annual Space Telescope Advent Calendar shows a dying star that is casting off its outer layers, creating ...

Astronomers using the James Webb Space Telescope report that a powerful gamma-ray burst detected in March may have been ...

"A bit like dinosaurs on Earth — they were enormous and primitive. And they had short lives, living for just a quarter of a ...

Researchers using the James Webb Space Telescope spotted huge stars leaking nitrogen in an early galaxy, hinting that such ...

The James Webb Space Telescope has provided evidence of 'monster stars' in the early universe, explaining the existence of ...

Astronomers using W. M. Keck Observatory and Subaru Telescope on the Big Island’s Mauna Kea discovered a massive planet and a ...

Fomalhaut lies about 25 light-years away in the constellation Piscis Austrinus, aka the Southern Fish, and is one of the ...

While these free events do indeed happen each month, the gathering that's set to sparkle Dec. 20 feels a bit special: It's ...

The first pulsar was discovered in 1967 by Jocelyn Bell Burnell. Finding these mysterious signals forever changed astronomy.

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

Ever wondered how planetary systems like our own solar system form? Thanks to the European Space Agency's Gaia space ...