Sun’s gravity could power interstellar video streaming
Space transmissions could slingshot around the sun for a signal boost, producing data rates fast enough to stream video from interstellar space
Gecko-inspired robot has grippers that could clean up space junk
Hundreds of thousands of pieces of debris orbit our planet. A device that sticks to space junk like a gecko’s toes might be able to help clear them up
A fine-tuned universe may be controversial but can’t be ignored
The suggestion that our universe has physical laws and constants inexplicably just right for life is in the ascendant. Expect a heated debate, says Geraint Lewis
NASA revives 50-year-old idea to recycle space stations in orbit
The space agency will work with three private companies to test whether spent fuel cells can be turned into fully functioning space stations while in orbit
General relativity passes test at Milky Way’s central black hole
Stars orbiting the supermassive black hole have been used to test Einstein’s famous theory for the first time, with no sign found of a fifth fundamental force
SpaceX launches first reused Dragon capsule full of research
The recycled capsule contained the first Chinese experiment to join the US side of the International Space Station, plus neutron star observation equipment
Cosmic Discoveries Fuel a Fight Over the Universe’s Beginnings
Watch SpaceX Relaunch a Commercial Cargo Capsule for the First Time
LIGO’s third detection hints at how black hole binaries are born
The latest signal from the gravitational wave detector backs up Einstein’s theory of general relativity and gives more clues on how black holes get their spin
Rings and asteroids may explain ‘alien megastructure’ star
It could be time to ditch the alien megastructure. A massive ringed planet and a swarm of asteroids may instead explain Tabby’s star