On Sept. 21, Earth will find itself in between Saturn and the Sun. Here's everything you need to know about this astronomical ...

Scientists at the University of Reading are helping Nasa capture images of Jupiter using remore access to the Keck telescope.

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.

Exoplanets are worlds outside our solar system. Just over three decades ago, the first exoplanets were confirmed by Aleksander Wolszczan and Dale Frail. Now, with the aid of Nasa spacecraft and ...

TRAPPIST-1, a planetary system 40 light years from Earth, could host a planet with an atmosphere and liquid water, but astronomers can’t be certain just yet.