International Space Station-bound astronauts dressed as Jedi pose with lightsabers in their mission poster for NASA. Proud of them, Yoda would be.
Russian cosmonaut Gennady Padalka is the new king of space after breaking the old record of 802 days.
Take a virtual tour through the ISS with this gorgeous 4K video footage courtesy of former ISS astronaut Terry Virts.
The three-year-long global Tara expedition has created the world's most complete catalogue of planktonic organisms, including thousands of new species.
The best way to celebrate the late author Douglas Adams and his beloved sci-if book "The Hitchhiker's Guide the Galaxy" just so happens to be while you're floating around a space station.
A team of international scientists has provided an unprecedented look at microscopic life in the ocean.
Astronaut Samantha Cristoforetti captures a series of stills of an aurora borealis from the ISS. Those images of the light show get turned into an amazing time-lapse video.
Watch: Miles below the surface, a remote-controlled sub is sending live video of its mission, complete with jellyfish cameos.
As part of a NASA-funded program, a needle-like robotic vehicle is plunging the icy depths at our planet's poles. Jupiter's moon Europa could be next.
See Scott Kelly, Gennady Padalka and Mikhail Kornienko board the International Space Station, which two will call home for a full year, and get a warm greeting from crewmates already there.