New data on the gamma-ray burst "GRB 221009A", observed in October 2022, confirm theoretical models suggesting that these bursts of exceptionally intense electromagnetic waves generate ...

Researchers have detected a gamma-ray burst outside of the Milky Way that's unlike any previously observed. There's no ...

The interstellar object hurtling toward the inner solar system, where Earth is located, is much larger than previously thought, astronomers say.

The James Webb Space Telescope has just captured jaw-dropping images of Sagittarius B2 — the most active star-forming cloud in our galaxy, sitting just 390 light-years from the Milky Way's central ...

In fact, the Euclid Consortium, the international group managing the European Space Agency's Euclid space telescope, just published the world's most extensive simulation of the universe. It maps an ...

Strong Northern Lights-like activity is the standout feature of today's weather report, which is coming at you from a strange, extrasolar world, instead of a standard TV studio. That is thanks to ...

Astronomers saw past the blinding light of a quasar, only to find a supermassive black hole that's much smaller than ...

Arizona-based Katalyst Space Technologies has scored a contract to raise the altitude of NASA's Neil Gehrels Swift Observatory, which has been hunting for gamma-ray bursts (GRBs) from low Earth orbit ...

Harvard astrophysicist Avi Loeb suggests interstellar object 3I/ATLAS could be far more massive than previously thought.

Sagittarius B2, a massive molecular cloud near the center of the Milky Way, is densely packed with stars and complex magnetic ...

Astronomers studying a rare Einstein Cross stumbled upon an impossible “fifth image” that shouldn’t exist — and it revealed ...