With the aid of citizen scientists, astronomers have discovered an erupting cataclysmic variable star in a rarely seen evolutionary stage.
3I/ATLAS is the third-ever interstellar object discovered.
Earth is at its farthest point from the sun on July 3. So why are temperatures so high across the U.S.?
The space telescope spied three young stars in the nebula.
A plume of molten rock deep beneath eastern Africa is pulsing upward in rhythmic surges, slowly splitting the continent and potentially marking the birth of a new ocean, a new study reports.
Some planets take the expression "you're your own worst enemy" to the extreme — triggering stellar flares from their own parent stars by being too clingy.
Our Red Planet explorers may encounter a peculiar threat.
Astronomers have discovered the first evidence of a white dwarf wiped out by a double-detonation supernova, also providing space-lovers with stunning eye-candy.
Cosmic archeologists have used the James Webb Space Telescope to excavate ancient disk galaxies that tell the story of how the Milky Way and other modern galaxies evolved.
The Mars rover captured images of low ridges called boxwork patterns, which appear like spiderwebs from space.