Created by the sun, the protective bubble of the heliosphere shields our solar system from harmful radiation. A new mission will map it like never before.

NGC 2775, a galaxy 67 million light-years away, is puzzling astronomers with its mix of traits. The Hubble Space Telescope has released a new Picture of the Week, and this time the spotlight is on a ...

Anyone hungry for the icy crunch of a Pluto -like body? No? Well, one nearby white dwarf is going all in on a Pluto-esque ...

NASA’s Chandra X-ray Observatory and Hubble Space Telescope have been used to study a cluster of stars, nicknamed “Nikhuli," that may be acting as a black hole "delivery system." Credit: NASA/CXC/A. H ...

Six members of Wesleyan faculty were recognized for their outstanding research and leadership at a faculty meeting on Sept. 9 ...

This NASA/ESA Hubble Space Telescope image reveals new details in Messier 82 (M82), home to brilliant stars whose light is ...

Astronomers are trying to determine what caused a series of gamma-ray bursts, the most powerful explosions in the universe, ...

This ghostly galaxy was first observed in 1780 by the French astronomer Pierre Méchain, who worked with renowned comet hunter ...

Hubble discovered a white dwarf planet devouring a Pluto-like object, revealing debris rich in water and nitrogen.

By studying the chemical composition of an odd, dying star, astronomers discovered that it had been feasting on what used to ...

Hubble’s latest look at Messier 96 reveals a warped spiral galaxy glowing with rings of stellar birth. The new details shed light on how stars emerge and influence their surroundings.

Telescopes on the National Mall tonight will give people a chance to see the stars and experience the largest astronomy outreach event in the United States.