The longest gamma-ray burst ever observed has UNC Chapel Hill astronomers questioning the very nature of these cosmic ...

OpenAI is in a far less commanding position than it was following the public release of ChatGPT a few short years ago.

From a particle smasher encircling the moon to an “impossible” laser, five scientists reveal the experiments they would run ...

Comet C/2025 R2 (SWAN)'s backdrop is dominated by the Eagle Nebula — a vast cosmic structure of dust and hydrogen-rich gas ...

The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space ...

With major eclipses, brilliant supermoons, and lineups of five or more planets, 2026 offers something awe-inspiring in every season. Here’s what to watch for.

Most scientists agree the prolonged flash likely occurred when a black hole ate a star, but two other ideas can't be ruled ...

There, it observes the universe free from atmospheric distortion. Its instruments and detectors need to be recalibrated continuously. Daily monitors, weekly checks, and yearly updates keep the ...

Conventional telescopes are limited in detecting low-surface-brightness (LSB) structures, which are essential for studying ...

A major new study lays out plans for crewed missions to Mars, with the search for extraterrestrial life being a top priority ...

Wonder Bound, the product of a collaboration between Johns Hopkins University, the Space Telescope Science Institute, and the ...

​Interstellar comet 3I/ATLAS is in the news again after NASA shared a new picture taken by the Hubble Space Telescopeon ...