Avi Loeb (AL): A comet is defined as an object that sheds dust and gas as a result of the illumination of pockets of ice on ...

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

Explore how the Chandra X-ray Observatory captures high-energy details in space that other telescopes cannot detect, offering ...

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

Allen Telescope Array campaign shows slow changes in radio scintillation that can nudge pulsar timing by billionths of a second ...

China and Brazil have begun building a joint laboratory for space technologies, Chinese state-owned defence electronics firm ...

From a particle smasher encircling the moon to an “impossible” laser, five scientists reveal the experiments they would run ...

Astronomers urged Chile to relocate a planned hydrogen plant, saying it could raise light pollution and affect major observatories in the Atacama Desert ...

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

Record-breaking ultrafast outflow (UFO) winds from a supermassive black hole flung matter across the universe close to the speed of light.

A faint, ancient flash of light detected by the James Webb Space Telescope (JWST) has broken the record for the most distant ...

"We might lose the ability to observe about 30% of the faintest galaxies. We are at the point of starting to be able to see ...