A tiny, dense stellar corpse in a nearby galaxy is pumping out so much energy that, on paper, it should have blown itself ...

The CosmicWatch device costs only $100 to make, making it accessible for both high school students and spacecraft operators.

If scientists are able to inspect it in person, and they find that Mars was indeed once alive with microbes, we would know ...

Few stars have rattled astronomers quite like Betelgeuse, the swollen red beacon in Orion that dimmed so dramatically in recent years that many wondered if it was about to explode. Now a fresh twist, ...

The James Webb Space Telescope has picked up the light from a massive star that exploded about a billion years after the ...

"The sheer amount of radiated energy from these bursts is so large that you can't power them with a core collapse stellar explosion — or any other type of normal stellar explosion." When you purchase ...

Cloud-9 entered the picture in 2023, when astronomers using the Five-hundred-meter Aperture Spherical Telescope (FAST) in ...

Astronomers have revealed a new type of cosmic object called Cloud-9 — a dim, starless gas cloud anchored by a massive dark ...

Scientists are uncovering new clues that a cosmic explosion may have rocked Earth at the end of the last ice age. At major ...

Astronomers tracking a nearby star system thought they had spotted an exoplanet reflecting light from its star. Then it vanished. Even stranger, another bright object appeared nearby. After studying ...

NASA’s SPHEREx space telescope has completed its first infrared map of the entire sky in 102 colors using observations made between May and December 2025. NASA’s SPHEREx space telescope — launched in ...

Long before humans walked the Earth, your solar system had a brush with two blazing blue stars that passed surprisingly close ...