It will be a while before you can see it for yourself, however. Halley’s comet was last visible from Earth in 1986, meaning ...

The discovery of ancient water in a planet-forming disk reveals that some of the water found in comets—and maybe even ...

Two spacecraft were soon going to cross the interstellar visitor 3I/ATLAS through its ion tail, one of the two comet tails, ...

The enigma of the intruder about the same size as Manhattan Island is making astronomers rethink what they know about cosmic ...

Could a vagabond giant from the outermost regions of interstellar space be poised on the cusp of sweeping by our cosmic doorstep? Astronomers say yes and they have the data to support it. Using the ...

"The CO2 ice block began to dig into the slope and move downwards just like a burrowing mole or the sandworms from 'Dune.' It ...

NASA's Voyager probes are the only spacecraft to reach interstellar space. However, Voyager 1 is going to achieve another ...

An umbraphile's top tips for viewing the 2026 total solar eclipse in Greenland, Iceland, and Spain this August.

Experiments show that biomolecules trapped in pure ice could withstand the harsh radiation of Mars for tens of millions of ...

Mars is closer than ever, but the human body isn’t ready. Inside the biological war against radiation, microgravity, and ...

KENNEDY SPACE CENTER — SpaceX’s Falcon 9 rocket pierced the Wednesday morning sky as it launched three spacecraft from NASA and NOAA that will study the solar system’s “bubble,” collect information on ...