Did NASA hide real images of 3I/Atlas after its Mars flyby? A viral theory claims alien links as a spacecraft falls silent, but science tells a different story.

How astronomers used gravitational lensing, a space-time trick predicted by Einstein, to detect a black hole measuring 30 ...

Astronomers using the Chandra X-ray Observatory and other telescopes "have determined that a giant black hole has destroyed a ...

Scientists have for the first time mapped the 3D structure of an exoplanet’s atmosphere, uncovering violent winds and bizarre ...

New observations suggest that the relationship between light emitted by quasars has changed over cosmic time, hinting that ...

Astronomers tracked a decade of dramatic changes in P13, a neutron star undergoing supercritical accretion. Its X-ray ...

Even the best telescopes can’t see exoplanets. It’s all about watching for jiggly stars, blue shifts, and transits.

Virgil is the reddest Little Red Dot discovered so far, and its hidden black hole may offer a clue to the fate of this ...

Scientists have discovered a massive, rotating galactic filament stretching about 50 million light-years across, containing roughly 300 galaxies that are all spinning ...

New Chandra X-ray study finds many dwarf galaxies may not host central massive black holes, challenging long-held assumptions about galaxy formation and black hole origins ...

Astronomers tracking the interstellar comet known as 3I/ATLAS report that the object has brightened markedly and developed a faint green glow as it approaches its closest pass by Earth, sharpening ...

The meteor shower is known for being bright and colorful. And this year, the peak will happen this weekend, giving more ...