NASA will end support for the International Space Station by 2030, transitioning low-Earth orbit to commercial operations.
New research may explain why satellite galaxies align themselves around the Milky Way
While the Jupiter-Saturn-Venus line keeps shrinking, all kinds of deep-sky sights, naked-eye to telescopic, show themselves on these moonless evenings.
The first-ever planetary defense mission is now on its way to the asteroid Didymos and its moon, Dimorphos.
The Solar Orbiter mission will fly past Earth Friday night, setting up a dramatic sunward plunge.
Astronomers have observed an object like ‘Oumuamua — but unlike the first known interstellar visitor, this one is in the solar system.
Orion now rises in the east around 8 p.m. Will Betelgeuse or Rigel be the first of his bright stars to come up? That depends on your latitude; Los Angeles and Atlanta are balance points. The Pleiades and Aldebaran watch this scene from high above.
Astronomers might have spotted a stellar-mass black hole in another galaxy — but not everyone agrees with what they found.
A Russian missile struck a defunct satellite early Monday morning, forcing International Space Station crew to shelter in place.
A quasi-satellite of Earth, named Kamoʻoalewa, might actually be a chip off our Moon.
Huge chunks and twisted slabs of dark glass are strewn across a patch of the Chilean Atacama Desert. Do they have a cosmic origin?