Astronomers might be close to confirming the presence of an Earth-like atmosphere on an exoplanet for the first time, ...

On Sept. 18, 1977, NASA's Voyager 1 spacecraft took a photo of Earth and the moon. It was the first time both the Earth and ...

The moon and Venus will shine vividly alongside a bright star in the early morning in a celestial rendezvous that should be visible across the U.S.

The Federal Reserve just cut its benchmark rate, but that doesn’t guarantee mortgage rates will keep dropping.