A Frontier Airlines pilot was photographed wearing a Trump hat. Passengers expect professionalism and the airline is ...

This galaxy's central black hole appears to be a "messy eater" as its interstellar scraps are strewn into space.

This first light, as it's called, shows that all of the spacecraft's systems are working just as expected. "Based on the ...

SPHEREx will begin routine science operations in late April, NASA said. At that time, the space telescope will begin taking about 600 exposures a day. The observatory is capable of detecting infrared ...

SpaceX is sharing the first look at the vast expanse of ice layering Earth's poles after launching the private Fram2 mission, ...

Vladimir Putin has ordered Russia's largest conscription drive in 14 years. His ultimate goal is to have an army larger than America's, our Moscow correspondent explains. Follow the latest below ...