A year of new treatments, new technologies, new ways to stay safe during disasters and new insights on the mysteries of the ...

Comet C/2025 R2 (SWAN)'s backdrop is dominated by the Eagle Nebula — a vast cosmic structure of dust and hydrogen-rich gas ...

Astronomers are a step closer to cracking one of the secrets of dark energy—the mysterious force believed to be causing the universe's accelerated expansion.

"We might lose the ability to observe about 30% of the faintest galaxies. We are at the point of starting to be able to see ...

With major eclipses, brilliant supermoons, and lineups of five or more planets, 2026 offers something awe-inspiring in every season. Here’s what to watch for.

X-ray space telescopes caught a supermassive blackhole flinging matter into space at a fifth of the speed of light ...