Scientists are testing a novel way to measure cosmic expansion using time delays in gravitationally lensed quasars. Their ...

An international team of astronomers, led by SRON, has observed a sudden outburst of matter near the supermassive black hole ...

Using the James Webb Space Telescope, a team of international researchers have discovered chemical fingerprints of gigantic ...

Researchers have discovered a large, orderly spiral galaxy that formed soon after the Big Bang, when space was only about 1.5 ...

Two new awards totaling $4.8 million will fund next-generation instruments for mid-sized telescopes at Lick and McDonald Observatories, enabling researchers to study how planets and stars form. The ...

Planned megaconstellations would contaminate the view of the cosmos of four orbiting telescopes Many of the images taken by ...

Four UC Nobel laureates on what they discovered here, why it matters, and why their world-changing work could only have ...

The GMRT’s 30 antennas work together as a single telescope by combining data from all antennas. The question now is: can we ...

Astronomers have sighted the oldest known stellar explosion, dating back to when the universe was less than a billion years ...

“The fact that we can now watch stars explode and immediately see the structure of the material being blasted into space is ...

The Atacama Cosmology Telescope in Chile not only confirmed one of the greatest mysteries in the universe—it also ruled out ...

A team of astronomers using a variety of ground and space-based telescopes including the W. M. Keck Observatory on Maunakea, ...