Ambiguities in the 50-year-old Outer Space Treaty may be getting in the way of entrepreneurs seeking opportunities elsewhere in our solar system.
NYT > Space & Cosmos
An explosive volcanic eruption in 2014 resulted in a new addition to the Tonga Islands. Its shifting landscape could help scientists studying Mars.
Astronomers offer new details about Oumuamua, a probable asteroid arriving from beyond the solar system and leaving in a big hurry.
Astronomers have found a planet circling Ross 128, a quiet red star in our own galactic neighborhood.
Built by Sierra Nevada Corporation, the space plane that brings to mind NASA’s retired shuttles completed a successful test flight and landing on Saturday.
Technological hiccups, a tornado and other factors have slowed the Space Launch System that NASA hopes will carry astronauts to the moon and Mars.
Seen and heard, the fireball is a stunning breakthrough into kilonovas, bursts of energy believed to produce metals like gold and uranium in the universe.
Here are answers to some questions you might have about the discovery that was announced on Monday.
Orbiting the ringed planet since 2004, the spacecraft solved some mysteries and made discoveries that upended our notions about the solar system.
Now that Cassini has gone out in a blaze of glory, here's our guide to cosmic missions over the next decade that you should get excited about now.
Although NASA does not have yet a follow-up mission to Saturn on its schedule, scientists are dreaming up ideas for one.
As the Voyager mission is winding down, so, too, are the careers of the aging explorers who expanded our sense of home in the galaxy.
Developments in science, medicine and health that we’re still thinking about at year’s end.