This long-duration comet will make its closest approach to Earth this fall, before disappearing into the outer solar system ...

From the outer space terror of Event Horizon to the inner demons of Possession, here are the 15 best cosmic horror movies, ...

When space telescopes blazed with high-energy radiation for hours earlier this year, astronomers suspected that they were ...

A pair of once-in-a-lifetime comets are rocketing through our skies right now, and it's a rare treat because they won't be ...

A pair of once-in-a-lifetime comets will rocket through our skies this October, and it's a rare treat because they won't be ...

NASA measures radiation over Greenland to improve aviation safety and validate models that predict cosmic doses polar flight ...

Get ready for a triple sky-spectacle of meteors, comets and auroras on Oct. 20 and Oct. 21, 2025. Here's how, when and where ...

Scientists at Johns Hopkins may be closing in on dark matter’s elusive trail, uncovering a mysterious gamma ray glow at the ...

Uncover the mystery of the gamma ray glow at the Milky Way's center. New simulations suggest dark matter collisions could ...

Analyses of its emissions using NASA’s Neil Gehrels Swift Observatory indicate that the interstellar comet probably has a ...

Two bright green comets are streaming through the skies and are visible to skygazers in the Northern Hemisphere.

A newly discovered odd radio circle in space could serve as a time capsule for the violent events that shape galaxies.