I/ATLAS is the fastest comet ever recorded and its interstellar! NASA's Goddard Space Flight Center explains. Credit: NASA's ...

From new exoplanetary neighbors and a weakening dark energy to the best evidence for life on Mars and an interstellar comet ...

But 3I/ATLAS is no ordinary rock – it’s a comet from beyond the solar system which greeted the Earth on December 19. It’s ...

Interstellar object 3I/ATLAS has triggered a global scientific alert after emitting mysterious radio signals, prompting NASA ...

It didn’t look a lot like Christmas. But Christmas isn’t about what things look like. In fact, Christmas isn’t really just ...

Vladimir Putin jokes that interstellar comet 3I/ATLAS is a 'secret weapon' as the mysterious object sweeps past Earth.

New observations of 3I/ATLAS provide real data that scientists are using to evaluate asteroid behavior ahead of Apophis’ 2029 ...

Look up for eclipses, comets, lunar landings and more in 2026.

Watching the aurora borealis (in the Northern Hemisphere) or aurora australis (in the Southern Hemisphere) is unforgettable.

OPINION: Today's right-wing conspiracies add to a long history of media hoaxes and antisemitism writes columnist.

Launching early in the year, three Americans and one Canadian will zip past the moon, do a U-turn behind it, then hustle ...