Experiment to determine why astronauts feel weak back on Earth
The Marrow experiment will gauge how blood cells change in space.
Here's the view from Blue Origin's rocket as it lands
Watch the last six seconds of its landing.
ICYMI: Soft robot challenge, NASA's space sails and more
Space pirates will swashbuckle their way around with power from the sun.
A supermassive black hole is shooting X-rays across galaxies
Luckily, it's 500 million light years away.
NASA's first SLS launch will send cubesats into deep space
The satellites will pave the way for future missions to Mars and beyond.
Mars Curiosity rover gets into VR with a Facebook 360 video
You can view it with or without a headset.
Prep for the Iowa caucuses: Check out the Engadget Election Guide
Before you cast your vote, read about the candidates' positions on important tech and science issues.
NASA is making a data modem driven by light
It'll test the photonic chip aboard the International Space Station in 2020.