These four women are little known, but their contributions to astronomy are still in use over a century later.
Winners of the Insight Astronomy Photographer of the Year 2015 contest captured auroras, galaxies and grand skyscapes.
Watch as a flood of green light washes over the Earth and the space station in a lovely time-lapse video.
A NASA video gives space fans a Juno's-eye view of the approach to Jupiter and the Galilean moons that helped change humanity's view of its place in the universe.
A rare, nearby galaxy is exploding with newborn stars, as seen in a newly released image captured by Hubble.
For the second time, scientists have detected gravitational waves emanating from a collision between two black holes.
The Parkes Radio Telescope has found a molecule near the heart of the Milky Way that demonstrates a feature found in molecules associated with life.
Back in the '90s, Kanye West worked with today's guest and ended up owing him $300. We ask how that happened, and about more wild stories in Jensen Karp's new book.
Every year, Science magazine challenges PhD students to explain the topic of their thesis in the form of dance. This year's finalists are in.
The mass of our galaxy is almost too much to describe, but one researcher is trying anyway.