If you feel a thrill every time we discover something new about the cosmos, then November 25th may have been a noteworthy day ...

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

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.

TNO, the Netherlands Organisation for Applied Scientific Research, has signed its first contract with the W. M. Keck Observatory to initiate the design of Keck’s Adaptive Secondary Mirror (ASM).

Comet 3I/ATLAS nears Earth on December 19, 2025. This interstellar visitor displays an unusual green glow. Scientists are ...

A seven-hour gamma-ray burst, GRB 250702B, stuns astronomers and hints at powerful new cosmic engines still unknown to science.

A groundbreaking discovery reveals that interstellar comet 3I/ATLAS is venting significant amounts of methanol and hydrogen ...

An increasing number of people are out chasing the northern lights and other celestial phenomena in northern Minnesota.

NASA’s Hubble Space Telescope captured a deeper look at interstellar comet 3I/ATLAS, with its Wide Field Camera 3 instrument, ...

New images taken by the Hubble Space Telescope and a Jupiter-bound mission showcase interstellar comet 3I/ATLAS ahead of its ...

The Wide Field Camera 3 instrument gives the telescope the ability to capture a panchromatic view of objects flying through ...

Tyson’s ultimate goal was to image large swathes of the sky, measuring how galaxies’ shapes distorted as their light ...