The brightest supernova observed in 2015 was not a supernova after all, but a massive black hole swallowing a nearby star.
Chandra Data Archive gathered images of cluster of young stars, galaxy clusters and supernova, among others. Get a glimpse of them!
Researchers found that a rare supernova might actually be an "impostor" in a close-by galaxy.
Hubble Space Telescope captures planetary nebula's icy blue wings.
Study finds that Martian Lakes may be connected to an ancient and habitable environment that existed billions of years ago.
An elliptical galaxy known as NGC 4889 has one of the most massive black holes that has ever been discovered.
Researchers will broadcast your messages from Earth straight into space.
International researchers have discovered 883 hidden galaxies behind the Milky Way. This discovery is also shedding new light on the mystery behind the Great Attractor's gravitational forces.
A team of international researchers have discovered that a faint galaxy is disrupting a neighboring giant spiral galaxy that is 160,000 light-years away.
Researchers at the Harvard-Smithsonian Center for Astrophysics found that some exoplanets have similar interiors like the Earth. These planets contain a crust, mantle and a core just like Earth.
Hubble captures the image of NGC 1487, an unusual galaxy that was formed from the merger of two other galaxies.