Hawaii's Kīlauea volcano shot out lava for the 49th time that we know of.

NASA's SOFIA observatory captured a rare image of a glowing gas ring in Cygnus X — a vast star-forming region 4,500 ...

There's been a lot of concern lately about how much these newfangled satellite constellations will ruin ground-based astronomy. Passing satellites leave streaks of light pollution on an observatory's ...

Rapidly growing swarms of satellites around Earth are no longer just a nuisance for ground-based observatories — the reflections they cause are now intruding on space-based telescopes as well, ...

This faint galaxy is hard to look away from.

"Megaconstellations" of vast numbers of satellites could threaten space-based astronomy, scientists have warned. In recent years, companies such as Elon Musk's SpaceX have launched thousands of new ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London. Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and ...