The halo is more extended that astronomers originally thought, and contains enough hydrogen gas to resolve the problem of the ...

A ghost galaxy with no stars is sitting in our galactic neighbourhood. It has been hiding in plain sight. What's special ...

The exoplanet K2-18b could harbor a massive ocean, but scientists will need to study the planet more to see if it’s really ...

The ultimate purpose of PUNCH is to use its four instruments — three wide-field imagers (WFI) and a near-field imager (NFI) — ...

NASA and ESA have shared a new image of the Eagle Nebula, a nursery for young stars, to celebrate the Hubble Space ...

"No existing galaxy formation model within our standard cosmological paradigm can currently explain how this galaxy came to ...

Mysterious dark matter makes up 85 percent of matter in the universe, and of the remaining 15 percent, scientists couldn’t ...

A blob of gas seen outside the Milky Way could be a type of starless, dark matter–dominated galaxy. Some scientists are skeptical.