New measurements using gravitational lensing suggest the universe’s current expansion rate does not agree with signals from the early cosmos.

If you feel a thrill every time we discover something new about the cosmos, then November 25th may have been a noteworthy day ...

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.

An international team of astronomers, led by SRON, discovered a rapid explosion of matter around the supermassive black hole ...

Before 3I/ATLAS, the only other confirmed interstellar tourists we've seen were the now-famous, cigar-shaped 'Oumuamua' in 2017 and the slightly more conventional Comet '2I/Borisov' in 2019. This new ...

Discovered in July 2023, Comet 3I/ATLAS has quickly captured the attention of the scientific community. Unlike typical comets that originate from within our solar system, 3I/ATLAS hails from beyond, ...

Hubble Space Telescope can "only see the universe in shades of grey," according to NASA's Goddard Space Flight Center. Learn how the imagery is processed into amazing color views of the cosmos. Credit ...

Leading X-ray space telescopes XMM-Newton and XRISM have spotted a never-seen-before blast from a supermassive black hole. In ...

A flaring black hole whips up ultra-fast winds of more than 37,000 miles per SECOND, reveals new research. X-ray space ...

Astronomers have already warned that SpaceX's Starlink satellite network contributes to blemishes on images from ...

Astronomers at the University of North Carolina at Chapel Hill have helped uncover new clues about the longest-lasting cosmic ...

R esearchers have calculated one of the most precise estimates for the expansion rate of the universe today, and it turns out ...