A team of astronomers may have detected the gamma-ray signature produced when antimatter particles, or positrons, collide ...

Astronomers using China's FAST radio telescope have discovered a compact cloud of hydrogen with no visible stars or galaxy ...

Astronomers have used NASA's Chandra X-ray Observatory to break down the cause of a remarkable formation of radio waves they ...

A sliver of space where scientists found Segue 1, a faint dwarf galaxy about 75,000 light-years away, in 2006. Credit: Marla Geha / W.M. Keck Observatory It started with a homework assignment: A ...

By measuring how the light of background galaxies is bent and distorted, they can also map the distribution of dark matter in ...

Only a few hundred million years after the Big Bang, some young galaxies were already spilling newly forged elements into the space around them. Astronomers using NASA’s James Webb Space Telescope ...

The Andromeda galaxy is the nearest large galaxy to our own Milky Way. It is also a spiral galaxy, similar to the Milky Way, so by studying it, astronomers can learn more about our home galaxy as well ...

The largest sample of galaxy groups ever detected has been presented by a team of international astronomers using data from the James Webb Space Telescope (JWST) in an area of the sky called COSMOS ...

Add Yahoo as a preferred source to see more of our stories on Google. Arp 184 or NGC 1961, a skewed or "peculiar" spiral galaxy, is still stunning in this image from the Hubble Space Telescope. One of ...

The spiral galaxy NGC 3596 is on display in this NASA/ESA Hubble Space Telescope Picture of the Week, which incorporates six different wavelengths of light. ESA/Hubble & NASA, D. Thilker You might ...