10:59
Capturing A Rare Kind Of Cloud
Noctilucent clouds weren’t spotted until 1885. Now, NASA’s PMC Turbo mission has captured their image.
The Joy Of Cooking Asteroids
How making simulated asteroid dirt paves the way for a future of space mining.
Dark Skies
Darkness can be scary for humans. But illuminating our cities comes with a cost.
6:42
Change The Laws Of Physics? Probably Not
The observation of a seemingly faster-than-light emission from two merging neutron stars likely has a conventional explanation.
25:28
A Deep Ocean Dive Is Training NASA For Space
NASA is exploring a deep-sea volcano off the coast of Hawaii as a test run for human and robotic missions to Mars and beyond.
Celebrating ‘A Brief History Of Time’ With Cocktails, Physics, And Poetry
For the 30th anniversary of ‘A Brief History of Time,’ SciFri threw a party.
Presenting The ‘Brief History Of Time’ Artist Challenge Winners
We challenged artists to interpret Hawking’s classic book. They did not disappoint.
16:35
Why Is The Sun’s Corona Hotter Than Its Surface?
Scientists hope the Parker Solar Probe will help them find the answer—and not burn up in the process.
17:02
Liquid Water Under The Martian Surface
Researchers announce a large underground lake on Mars just as the planet gets a close-up.