The Epoch of Reionization — the universe’s last major transition — may have happened earlier than previously thought.

For a long time, astronomers believed galaxy formation followed a very specific model: cosmic gas collects in clumps, stars ...

Astronomers have just discovered a new planet, and yes, it’s one more name to add to those already tricky lists of planets.

55 x 29 x 94 cm. (21.7 x 11.4 x 37 in.) ...

In the early Universe, long before they should have had time to grow, astronomers have found what they're calling 'red ...

A series of "red monsters" discovered by the James Webb Space Telescope (JWST) are complicating our accepted ideas about the ...

The Friday before this one, I had a fantastic opportunity to serve as resident astronomer for the evening at Leonardo’s ...

Cosmic strings could also be detectable in the Cosmic Microwave Background (CMB) – the leftover radiation from the Big Bang ...

Researchers using XMM-Newton and Chandra telescopes have linked X-ray emissions from 21 distant quasars to rapid supermassive ...

A recent discovery of a “newborn” exoplanet could help scientists explain how our own home world came to be. In a study ...

A Falcon 9 rocket carrying 20 Starlink spacecraft — 13 of which are capable of beaming service directly to smartphones — ...