"The Hubble tension is now a Hubble crisis." The mystery of the Hubble tension has deepened with the startling finding that ...

A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the ...

Keep your eye on the sky tonight. A once-in-a-lifetime comet is approaching the sun — and it will be visible for the first time in 160,000 years. Monday, Jan. 13 is when the comet will ...

In the photo from the space station, the comet is captured just above Earth’s horizon, which is illuminated by a bright light — also known as airglow — that occurs in the planet’s upper atmosphere ...

The comet ATLAS, experts say, has a 1,60,000 year orbit around the Sun. It was discovered in April 2024 by the Asteroid Terrestrial-impact Last Alert System (ATLAS), hence the name. As for its origin, ...

Pettit pointed a camera toward one of the space station's windows and caught the comet as it paid the astronauts a visit. "It is totally amazing to see a comet from orbit," he said on X ...

NATIONAL HARBOR, Md. — Proposed budget reductions for the Hubble Space Telescope would impact research and outreach as well as increase the risk to the observatory, project officials warn.

Hubble’s work opened the door to the study ... of fuzzy objects that might be mistaken for comets. He intended for comet hunters to avoid them since they did not move across the sky.