NASA’s Voyager 2 spacecraft captured this image of the planet Uranus on Dec. 18, 1986. (Image credit: NASA/JPL-Caltech) Just how many planets are visible without a...
Climate change affects astronomy, and vice versa.
"Nobody wants a war in space."
Falcon 9 made a rare onshore landing following its historic launch on Aug. 30.
Nobel laureate Steven Weinberg was rewarded as well, for his varied and continuing contributions to physics.
But scientists still don't know how the weird storms formed.
Ever since it floated through our cosmic neck of the woods, the interstellar visitor ‘Oumuamua has intrigued and perplexed scientists. Now, a new theory has emerged...
A Chinese Long March 4B rocket successfully launched a new Earth-watching satellite Monday (Sep. 7) but its first stage narrowly missed a school when it fell...
On Sept. 7, 1995, the space shuttle Endeavour launched on mission STS-69. This was the 100th successful crew spaceflight mission for NASA. Endeavour lifted off from...
The online course offers college credits and has four world-renowned scientists as its instructors.