The presence of deuterium, an isotope of hydrogen, in 3I/ATLAS suggests the interstellar comet formed in a much colder place ...

The farthest spacecraft from Earth has shut down another instrument in the hopes of buying time for an upgrade that could ...

NPR's Scott Detrow talks with Regina Barber and Nell Greenfieldboyce about the Artemis moon missions, the "seismic quiet" during a solar eclipse, and the origins of a mysterious interstellar visitor.

We spoke to a genuine astrophysicist about the accuracy of Star Trek's approach to interstellar travel, the holodeck, and the ...

Scientists have found unusually high heavy water levels in interstellar comet 3I/ATLAS. The finding suggests it formed in a ...

Interstellar comet 3I/ATLAS is even more extreme. The ratio of semi-heavy water to regular water is 30 times larger than in ...

Science fiction is the go-to genre to find not just hope for the future, but questions we never considered. These five movies ...

NASA’s Jet Propulsion Laboratory deactivated the Low-energy Charged Particles experiment on Voyager 1. The shutdown was ...

From Stanley Kubrick's 2001: A Space Odyssey to the dystopian masterpiece The Matrix, these sci-fi movies are among the most ...

Jeff Bezos’s Blue Origin is in the running to develop a lunar lander, as is Elon Musk’s SpaceX, with an approach using its ...

Laser sail propulsion is an idea that won't go away. By aiming powerful Earth-based lasers at tiny spacecraft with light sails, tiny spacecraft can be accelerated to near-relativistic speeds without ...