Dark matter could be a type of matter in the universe that does not emit, absorb or reflect detectable light and appears to ...

Astronomers have observed the longest-lasting central engine activity ever recorded from a gamma-ray burst. The burst ...

An international team of astronomers, including researchers from the Department of Physics and the Hong Kong Institute for ...

At 8:56 AM ET on Tuesday, NASA's Fermi Gamma-ray Space Telescope automatically detected a new long-duration gamma-ray burst, designated GRB 260623A, during the sudden collapse of what is likely a star ...

This webcast, featuring Fermi Gamma-ray Space Telescope, is a recording of part of the live 24-hour webcast "Around the World in 80 Telescopes", which was part of the "100 Hours of Astronomy" project ...

On Aug. 15, the CTAO LST Collaboration and the MAGIC Collaboration released findings from observations of OP 313, the most distant very-high-energy blazar ever recorded. The paper, published in ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space news, the latest updates on rocket launches, skywatching events and more! You are ...

The Cherenkov Telescope Array Observatory (CTAO) will be the world’s most powerful ground-based observatory for very high-energy gamma-ray astronomy. It will consist of two arrays of telescopes, a ...

NASA and Katalyst Space Technologies announced Wednesday they are giving up on a robotic mission to rescue the Swift gamma-ray telescope before it falls out of orbit. The rescue satellite, named Link, ...

A team of astronomers discovered that the spiral arms of the Milky Way galaxy may stretch farther out into space than was previously known. The scientists made precise distance measurements of dust ...

A team of astronomers has discovered that the spiral arms of the Milky Way galaxy may stretch further out into space than was previously known. The scientists made precise distance measurements of ...