The Webb space telescope observed a supernova that took place when the universe was 730 million years old, setting a new ...

Baby, it’s cold outside — but it’s worth putting on that heavy winter coat, scarf and boots and heading out for one of the best meteor showers of the year: the Geminids.

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

Supernovae aren't one of the JWST's main science themes, but the perceptive telescope is full of surprises. Recently, it ...

Subjects including linguistics, international studies and human-centered design and engineering all halted taking ...

The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space ...

The James Webb Space Telescope has found compelling evidence for "monster stars" — gigantic, primordial stars that existed in the early universe.

A never-before-seen blast from a supermassive black hole was spotted by two sophisticated X-ray space telescopes. This giant ...

X-ray space telescopes caught a supermassive blackhole flinging matter into space at a fifth of the speed of light ...

NASA has visualized the cataclysm, which is thought to have caused a mysterious eruption of gamma rays captured by telescopes ...

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

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