In its galactic neighborhood, the Milky Way can be something of a bully.

Earth, between sweltering Venus and frozen Mars, formed and orbits within a band where water could persist in solid, liquid, and gaseous phases. Mars had surface water, but not as much as Earth, and ...

In 2024, you can catch Venus in the western sky during evenings in the western sky during July 30 to Dec. 31. Look for an orb shining with a steady, silvery light, brighter than the stars around it.

Astronomers using the James Webb Space Telescope have detected possible signs of gases released by volcanic activity on a ...

Roughly 400,000 years after the Big Bang, the universe cooled just enough to allow photons to escape from the primordial ...

The Hubble Space Telescope has captured two tangled galaxies, whose interactions have caused knots to form in the ...