Astronomers may have found the first exomoon around a distant planet, and have asked to use Hubble to confirm whether the tantalising hints are a real discovery
Breakthrough Starshot, the $100 million project to send tiny spacecraft to Alpha Centauri, successfully operated a mini-satellite in orbit for the first time
SpaceX will design a new spacecraft for a mission to the Red Planet, but Musk’s focus may be closer to home as he tweets Hyperloop plans
By using the timing of planets’ orbits around their stars, all the advanced civilizations that may exist in the Milky Way could communicate
The US Vice President placed his hands on a piece of the Orion spacecraft while on a tour at NASA’s Kennedy Space Center, despite a sign that forbade it
Space transmissions could slingshot around the sun for a signal boost, producing data rates fast enough to stream video from interstellar space
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
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
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
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