Sixteenth century Danish astronomer Tycho Brahe laid the framework for modern cosmology without ever using a telescope.

Massive stars about eight times more massive than the sun explode as supernovae at the end of their lives. The explosions, ...

Legendary Star Lacks Evidence for Large Planet Construction Ever since the dawn of human consciousness, skywatchers have been ...

A star that winked out of view could be a “failed supernova,” a stellar explosion that petered out instead of fully detonating, a new study reports. If real, the failed supernova would mark the birth ...

The nearby bright star Vega is surrounded by a surprisingly smooth, 100 billion-mile-wide disk of cosmic dust, confirming ...

Planet-forming disks are rapidly disintegrated when blasted with high-energy radiation from massive young stars.

Recent data from the James Webb Space Telescope (JWST) suggests that a planet orbiting a small, red star 35 light years away ...

Nov. 11, 2024 — Why is the expansion of our Universe accelerating? Twenty-five years after its discovery, this phenomenon remains one of the greatest scientific mysteries. Solving it involves ...

On what would've been the astronomer's 90th trip around the sun, here's a look at his legacy as a scientist, advocate and ...

Using the Gemini-South telescope, astronomers have performed high-resolution near-infrared spectroscopy of stars in a Galactic ... A study published in Astronomy & Astrophysics marks a significant ...

Located about 548 light-years away, in the constellation Orion, Betelgeuse is the 10 th brightest star in the night sky.

By John Yoon and Hisako Ueno The ghosts of stars are up to their usual mischief. By Dennis Overbye The Pentagon needs what the company offers to compete with China even as it frets over its ...