Science

Challenger explosion anniversary marked 34 years later
We remember the seven astronauts who were killed when NASA's challenger exploded shortly after take-off on Jan. 28, 1986.
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1st full moon of 2020 accompanied by lunar eclipse
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Help name the Mars 2020 rover
SpaceX completes astronaut escape test ahead of first mission: VIDEO
High school student discovers new planet
Eclipse photo appears to show "devil horns" over Middle East
1st full moon of 2020 accompanied by lunar eclipse
Possibly habitable planet found 100 light years away
5 astronomy events to look for in 2020
Chinese scientist behind genetically edited babies sentenced to prison
How to turn your Christmas tree into mulch in NYC
Solar eclipse creates 'ring of fire' in sky Dec. 26
Starliner capsule launches in wrong orbit, skips space station
Archaeologists unearth ancient royal tombs filled with treasures in Greece
Study: Sea level at Jersey Shore could rise 6 feet by 2100
Best meteor shower of the year peaks Friday
VIDEO: Fireball streaks across sky over Midwest
Prehistoric puppy found in permafrost in Russia
Black hole that is so big it 'should not even exist' discovered
UN chief warns of 'point of no return' on climate change
Show More
Show Fewer
More Videos
From CNN Newsource affiliates