Astronomers are closing in on a result so statistically secure that, in their language, it borders on certainty: a 99.9999999 ...

For much of the twentieth century, scientists expected the expanding universe to slow over time. The opposite turned out to ...

In a glimpse of the early universe, astronomers have observed a galaxy as it appeared just 800 million years after the Big ...

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

Molecules containing noble gases shouldn’t exist. By definition, these chemical elements — helium, neon, argon, krypton, xenon and radon — are the party poopers of the periodic table, huddling in the ...

Universe May Be Twice As Old as Experts Thought — Not 13.8 But Possibly 26 Billion Years Old: New Study Around two years ago, certain observations by the James Webb Space Telescope (JWST) about the ...

Depending on how you look at it, the universe might not have an "end," after all. Whether the universe will "end" at all is ...

There is an important and unresolved tension in cosmology regarding the rate at which the universe is expanding, and ...

"This signifies a major development in astronomy and physics." Scientists may have "seen" dark matter for the first time, thanks to NASA's Fermi gamma-ray space telescope. If so, this would mark the ...

FROSTI is a new adaptive optics system that precisely corrects distortions in LIGO’s mirrors caused by extreme laser power.

A virtual event, "Astronomy Unlocked: How to Choose Your Best Telescope," is scheduled for November 20, 2025, at 9:00 am EST, designed to provide a comprehensive guide to selecting astronomical ...

Dozens of students gathered at Harvard’s Loomis-Michael Observatory on Thursday and Friday for a rare viewing of Comet Tsuchinshan-ATLAS, a comet visible to the naked eye that researchers say is ...