Explore Earth and its relationships with a plethora of planets, stars and galaxies in its cosmic family, Laniakea, the ...

New research suggests the violent explosions of dying stars may have caused two of Earth’s biggest mass extinctions millions ...

Astronomers have constructed the first detailed 3D map of the properties of cosmic dust in our home galaxy. For their map, the astronomers used 130 million spectra from ESA's Gaia mission, results ...

"If that limit is real, there really shouldn’t be any one-Jupiter-mass objects free-floating out in our Milky Way galaxy, unless they were formed as planets and then ejected out of a planetary system.

Previous efforts to map the galaxy's dust were challenged by limited data, but the Gaia mission has provided a treasure trove ...

At the center of most large galaxies, including our own Milky Way, sits a supermassive black hole. Interstellar gas ...

A surprising new study from Dartmouth and the University of Exeter researchers shows that when the supermassive black holes at the center of most large galaxies—including the Milky Way—consume ...

Four small rocky planets confirmed orbiting nearby ... to explore the origins of the universe and to scour the Milky Way galaxy for hidden reservoirs of water, a key ingredient for life.

Astronomers have discovered two exoplanets around TOI-1453, a star about 250 light years away. These two exoplanets, a super-Earth and a sub-Neptune, are common in the galaxy, yet are absent from our ...