NASA wants to generate the coldest temperatures in the universe. Here's how.
A proposed plan of launching a giant magnetic shield around Mars could warm the planet and potentially make it habitable in the future.
March is a good way to observe the evening skies: check out the celestial events to look out for.
The whirling clouds of Jupiter were likened to the famous painting of van Gogh's "The Starry Night."
NASA's Europa flyby mission started its preliminary design phase on Feb. 27, 2017.
Are you ready to name the seven newly discovered planets?
Hubble Space Telescope captures a new image of Supernova 1987A that is still shining after three decades.
Maven spacecraft, which is orbiting Mars for two years, maneuvers to avoid dangerous collision with the planet's moon, Phobos.
A few years ago, Moon tourism seemed too sci-fi, but not now.