This image from NASA's Hubble Space Telescope showcases Messier 3 (M3), one of the Milky Way's most massive globular clusters ...

The James Webb Space Telescope is frequently lauded for its breath-taking images, but perhaps it makes an even bigger ...

A newly confirmed dwarf galaxy orbiting Andromeda contains so few stars that automated detection pipelines ignored it entirely — and that invisibility may be precisely what makes it scientifically ...

The Hubble Space Telescope is an audacious expression of human curiosity. Since its launch in 1990, it has done much more than just expand humanity’s scientific reach: it has changed how people see ...

The spacecraft that famously brought asteroid Ryugu samples to Earth in 2020 has flown right by another space rock.

More than 500,000 stars glow in shades of red, white, and blue in a spectacular new image captured by NASA's Hubble Space ...

A dazzling new image from NASA's Hubble Space Telescope resembles a red, white, and blue sparkler lighting up the night sky.

NASA's Hubble Space Telescope has captured a spectacular red, white, and blue view of one of the Milky Way's oldest star clusters to celebrate the nation's 250th anniversary. Hidden within the ancient ...

A stunning spiral galaxy called Messier 88 is racing through the crowded Virgo Cluster on a journey that will dramatically reshape its future. At its heart lies a supermassive black hole about 100 ...

Astronomers using NASA's Hubble Space Telescope have found something they never expected—ultraviolet light from a galaxy that existed just 1.4 billion years after the Big Bang. That galaxy contains ...

The mission is risky, daring and unprecedented: save an ageing NASA satellite from an impending fiery death. The rescue effort, which is slated to begin as early as this week, could pave the way ...

Astronomers have traced the filamentary skeleton of the universe back to its first billion years, producing the sharpest ...