A visitor from another star system is creating excitement in the astronomy community. The comet 3I/ATLAS which was first spotted in July 2025 contains chemical clues that scientists can use to ...

Astronomers have caught what may be a rare cosmic catastrophe unfolding 11,000 light-years away. A seemingly ordinary sun-like star suddenly began flickering wildly, puzzling scientists until they ...

Looking for a sky event this week? Check out our full Sky This Week column. March 11: Time to spot the zodiacal light Europa ...

David Allred will present 'Under One Sky' at the ORION program, exploring how astronomy connects communities.

The ancient tradition of watching the night sky to guide farming resumed on Thursday in Maldrogungkar county in Lhasa, Xizang autonomous region, as locals gathered at the Dakpo Observatory to mark the ...

Cornell students reflect on the Artemis program seeking to return astronauts to the Moon and establish a sustained scientific presence there.

The catastrophic collision of a black hole and a neutron star sent ripples across the universe. New analysis of those ripples could upend a major theory about how these extreme pairs form.

Tzanidakis was combing through old telescope data from 2020 when he found an otherwise boring star acting very strangely. The ...

Two new studies have measured the expansion of the universe in our immediate cosmic neighborhood using a novel method that ...

Analysis reveals what appears to be a channel of hot, low-density plasma stretching out from our solar system toward distant ...

New high-resolution simulations reveal that stellar rotation plays a crucial role in transporting material inside red giant stars.

NASA has disqualified one of the two proposals for a large astrophysics mission, a decision the project’s leader blames on ...