Space
Objects at the Solar System’s Edge Are Being Influenced by Something Mysterious
The discovery of hundreds of new objects in the outer solar system confirms weird gravitational effects that could be caused by “Planet Nine.”
How to Watch the World's First All-Civilian Spaceflight Aboard a SpaceX Ship
Inspiration4, the first orbital mission with no professional astronauts, is scheduled to launch on Wednesday evening, Eastern Time.
Scientists Are Searching for Clusters of Spacetime-Eating Bubbles In the Cosmos
These hypothetical bubbles could help explain the birth, and ultimate fate, of the universe.
Internet Sleuths Find Hidden Message In SpaceX Space Tourism Photo
The Morse code riddle was reminiscent of another recent Easter egg embedded in a Mars rover’s parachute.
A Common Feature of Galaxies Is Challenging What We Know About the Universe
A new study has "cast serious doubt" on a ubiquitous galactic feature that may require exotic physics to explain.
Astronauts Report Smoke Alarms, Burning Plastic Smell on the ISS
The concerning event on Thursday is the latest in a series of problems with Russian modules on the International Space Station.
There's a Giant Dog Bone-Shaped Asteroid In Space, And We Have the Best Pictures of It Yet
The asteroid Kleopatra and its two moons have resisted explanation for more than a decade—until now.
Something Unexplained Is Sending Radio Signals From Our Galaxy's Center
The newly discovered signals flash for weeks at a time and can stop in just a day, a pattern that has no clear explanation.
Meet the Scientists Investigating a Potentially Hazardous Asteroid
OSIRIS REx scientists talk about asteroid Bennu, one of the most hazardous known space rocks, in the latest episode of Motherboard’s “Space Show.”
Hubble Captures Object Shooting Powerful Energy Jet Across the Cosmos
The rare phenomenon, known as a Herbig–Haro (HH) object, put on a spectacular light show.
China Is Aiming to Develop Miles-Wide, 'Ultra-Large' Spacecraft
A new five-year plan highlights an 'urgent need' to develop megaprojects in space, such as human habitats and space-based solar power plants.
A Signal from Space Is on a 16-Day Cycle. Scientists Just Ruled Out an Explanation
Never-before-obtained observations of a periodic fast radio burst revealed surprising results that have upended expectations.