"Starburst galaxies birth lots of hot blue stars that burn fast and die quickly in explosions that unleash intense ...

A Swarm of Dwarf Galaxies Buzz Around Our Milky Way's Twin Imagine the Milky Way and Andromeda as two massive aircraft ...

NASA’s Hubble Space Telescope reached a remarkable milestone—its 100,000th exposure, capturing an image of a quasar located 9 ...

Hubble’s latest image reveals the Small Magellanic Cloud (SMC), a nearby dwarf galaxy visible from Earth without a telescope.

New images of the infant universe captured by the Atacama Cosmology Telescope (ACT) are the most precise "baby pictures" to ...

The Hubble Space Telescope captured the rare merger of two galaxies, which are forming what's been dubbed a "cosmic guitar." ...

Andromeda XXXV is only about 20,000 times more massive than our Sun—very small, even for a satellite galaxy. For comparison, ...

An ambitious new survey by the Hubble Space Telescope offers the first bird's-eye view of all known dwarf galaxies orbiting ...

NASA's Hubble Space Telescope has captured a breathtaking image of the spiral galaxy NGC 3430, situated 100 million light-years from Earth in the Leo Minor constellation.

It's rare for any observatory to directly image a planet beyond our solar system, called an exoplanet, but the powerful James ...

This NASA/ESA Hubble Space Telescope image of a vibrant spiral galaxy called NGC 5042 resides about 48 million light-years ...

Satellites come in all shapes and sizes, but there aren't any that look quite like SPHEREx, an infrared observatory NASA ...