Our galaxy and its nearest large companion, Andromeda, may be headed for a collision on a cosmic scale. What happens then?

When it comes to the Milky Way and Andromeda galaxies, there’s a whole “will they or won’t they” thing going on. In 2012 scientists published their results of Hubble Space Telescope observations ...

As M88 heads towards M87 through the intracluster medium, it is being stripped of star-forming gas.

A stunning spiral galaxy called Messier 88 is racing through the crowded Virgo Cluster on a journey that will dramatically ...

With the help of the James Webb Space Telescope, astronomers have discovered a galaxy that violates the basic concepts of the ...

Don’t Miss the Full Video Story Below Something enormous is on its way to our cosmic neighborhood. The Milky Way, along with ...

This could change our understanding of how the cosmic titans collide.

South of Corvus lies the famed Southern Cross, but only its top three stars are barely visible on the Gulf horizon for us.

There are black holes that are too big to be born from the death of a star but aren’t quite supermassive either. There’s ...

June stargazing is definitely a late show, with true darkness not setting in until after 10 p.m. Mercifully, the best celestial show this month happens during evening twilight in the western sky. The ...

At some 60 billion times the mass of the sun, this dark void could be home to a pair of black holes that are due for a cosmic collision.

Powerful bright blue cosmic explosions called Luminous Fast Blue Optical Transients could be caused when a black hole or neutron star slams into the universe's hottest class of star.