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Watch drone video of Falcon 9 landing

You’ve probably seen footage of rockets taking off, but here’s Falcon 9 returning to Earth and landing safely after its launch on Sunday.

Help astronomers look for Planet 9

There might be an unknown 9th planet that orbits far from Earth, on the outer fringes of our solar system. You can help astronomers find it, if it exists!

What is radiocarbon dating?

At a very steady rate, unstable carbon-14 gradually decays to carbon-12. The ratio of these carbon isotopes reveals the ages of some of Earth’s oldest inhabitants.

Watch SpaceX Dragon launch February 18

SpaceX is scheduled to launch its Dragon spacecraft resupply mission to the International Space Station no earlier than 10:01 a.m. EST (1501 UTC) on Saturday, February 18. How to watch.

Toxic pollutants persist in deepest ocean

Banned chemicals from the 1970s have been discovered in the bodies of crustaceans in the deepest of Earth’s ocean trenches.

Wow! 2017 underwater photo contest winners

Winners of the 2017 Underwater Photographer of the Year (UPY) contest. How do you choose a favorite?

The Science Love Song

Bizarrely heart-warming, from the guys at ASAPScience.

Slooh astronomers catch comet breakup

Will comet 73P/Schwassmann-Wachmann survive its March 16 sweep near the sun, or disintegrate into a trail of cosmic dust?

Round object crosses the moon

During Friday’s penumbral eclipse of the moon, an observer in Puerto Rico captured images of a black disk moving across the moon’s face.

Backyard Bird Count begins February 17

Looking for something fun to do this weekend? Why not join thousands of people from around the world in the 2017 Great Backyard Bird Count?