What could be the brightest comet of the year is set to pass by Earth this week. The comet, formally known as C/2025 R3 ...

Max Planck Institute for Extraterrestrial Physics scientists have been able to disentangle the X-ray glow originating in our ...

Astronomers report that WOH G64, one of the largest known stars, appears to have undergone a striking transformation into a rare yellow hypergiant. Credit: ESO / L. Calçada. A ma ...

A new map of the cosmos, including more than 47 million galaxies and other cosmic objects, represents one of the most ...

Our sun is a roiling mass of energy, with solar flares exploding on its surface, sending gas, plasma, and light that blasts ...

Comet C/2025 R3 PanSTARRS is brightening and could be visible before sunrise in April. Here’s when and where Californians can ...

Astronomers have accurately measured the "dancing" energy jets of the first confirmed black hole, Cygnus X-1, more than 60 ...

Comet C/2025 R3 (PanSTARRS) is brightening in the night sky in April. Here's when and how to spot the celestial show in ...

Studying the star, called SDSS J0715-7334, could give astronomers insights into how the universe's first stars were formed ...

Donald Trump announced his administration would begin identifying and releasing UFO-related information earlier this year.