Scientists have found a black hole 12 billion times more massive than the Sun that was formed so soon after the Big Bang it's challenging what we know about black holes.
Rosetta swoops near Comet 67P for a series of images highlighting the comet's fascinating surface features.
Long fingerlike tendrils poked out from the part of the Red Planet known as the "Martian limb" and astronomers are scratching their heads over the cause.
The Martian surface displays colors other than just red in this beautiful image just released by the European Space Agency.
Hubble has taken a photo of what seems to be a smiling cartoon face in the depths of space -- an effect produced by a phenomenon known as gravitational lensing.
Looking like a deathtrap in a movie, this room at one of the ESA's test centers plays a critical role in satellite building.
Information from the Planck space telescope helped create a stunning new map. It's also shedding light on dark matter and the origins of the universe.
Three of Jupiter's largest moons gather together to cross the planet's face for a rare astronomical show.
Rosetta mission scientists hold out hope that the Philae lander could reawaken in spring as the comet it hides on gets closer to the sun.
As it makes its way towards its historic encounter with the icy dwarf planet, the New Horizon's probe has started returning images.