While imperceptible to humans, these tiny delays are significant for experiments that rely on pulsars as ultra-precise cosmic ...

Stunned Californians have shared spectacular footage of the Crew-11 SpaceX Dragon spacecraft cutting a fiery path through the ...

Harvard's Avi Loeb says a rare sun alignment on 22 January could prove interstellar visitor 3I/ATLAS is an alien spaceship.

New photos show off NASA's newly constructed Roman Space Telescope, which will soon help researchers unravel the mysteries of ...

An ailing astronaut is back on Earth. The crew of four returned Thursday, ending their space station mission more than a ...

Though 3I/ATLAS poses no threat to Earth or our satellites, its journey highlights how the networks we built for planetary ...

Those concerned that 3I/ATLAS' arrival to our solar system meant that some sort of alien invasion was imminent can breathe a ...

In September, NASA announced the discovery of a possible sign of life, known as a potential biosignature, on Mars. The Perseverance rover, which has been exploring a dried-up lakebed for years, found ...

Interstellar comet 3I/ATLAS has gone from obscure visitor to front‑page mystery, as a cascade of new images reveals behavior ...

NASA’s budget is still an unfathomable mess. The government shutdown late last year once again delayed proceedings to determine the space agency’s future — but if it were up to the Trump ...

Get ready to cry wolf for the first full moon of 2026. The first full moon of the year falls on Jan. 3 this year, according to NASA. On this day, the near side of the moon is fully illuminated as it ...