In a close-up of the Rosette Nebula — a stellar nursery 5,200 light-years away — dark clouds of gas and dust are seen being carved by radiation from massive stars. A young star at the upper right is ...

This gas needs an enormous amount of energy to shine — more than normal stars can supply. The discovery, based on data from NASA 's James Webb Space Telescope, likely means the barred spiral galaxy, ...

"We want to understand how these galaxies are forming stars, how many stars they’re forming, and especially how the black ...

Catholics from around the world are flocking to Rome to pay their respects to Pope Francis, who will lie in state for three ...

If you’re a Colorado taxpayer who loves a tax rate reduction and TABOR refunds, we’ve got good news for you: You’re getting ...