A hidden galaxy may be just beyond the Milky Way, part of which is shown over California’s Mount Lassen.
Astronomers have finally found half of the universe’s missing matter.
The Sun rises in Antarctica after 3 months of darkness. A view of the remote Antarctic base Concordia as the Sun returns after over 3
A five-year survey of 200,000 galaxies, stretching back seven billion years in cosmic time, has led to one of the best independent confirmations that dark
Since the late 20th century, astronomers have been aware of data that suggest the universe is not only expanding, but expanding at an accelerating rate.
Scientists by creating millions of virtual universes and comparing them to observations of actual galaxies, made discoveries that present a powerful new approach for studying
Astronomers observing the cluster of galaxies Abell 370, noticed an unusual arc that wasn’t understood until better images showed that the arc was a type
By studying the movements of orbiting clusters of stars, astronomers have measured the mass of the Milky Way.