A new paper presents a method for distinguishing between different sources of nanohertz gravitational waves. Pulsars may be revealing faint ripples in the fabric of the universe, ultra–low-frequency ...

Just a few weeks ago, we crossed the significant milestone of 6,000 known exoplanets. The counter keeps getting higher, and there are 8,000 more candidates waiting for confirmation. In the decades ...

"This finding is the first direct evidence of water’s interstellar journey from clouds to the materials that form planetary ...

In Sunday morning’s pre-dawn sky, you’ll see a very thin waning crescent moon right next to brilliant Venus. The moon will be ...