Although the president had been talking about the idea for weeks, there had been no meetings on the subject, and senior ...

Dark energy is still a mystery, but powerful new telescopes are set to uncover clues. With NASA and ESA leading the charge, ...

Hubble revealed a universe of galaxies that existed beyond ours — but he couldn't have done it without a little help.

A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the ...

There are no tape-measures in space, but by the early 20th century Henrietta Swan Leavitt had discovered that the pulsation period of Cepheid variables is directly tied to their luminosity.

The government is releasing photos and videos to promote President Trump’s immigration agenda, including footage of troops at ...

Five years ago, on February 5, 2020, Republican senators acquitted then-president Donald Trump in his first impeachment trial. Trump immediately vowed retaliation against those who tried to hold him ...

A C-17 military aircraft landed at Tucson International Airport on Saturday afternoon, as cars and vans were seen entering ...