The mysterious unmanned shuttle has embarked on yet another mission that nobody knows anything about.
Four of the seven planets in the Trappist-1 system are thought to be home to large amounts of water.
The huge space rock is due to pass within a safe distance of our planet at the beginning of September.
Two upcoming Mars rover missions will attempt to determine if the Red Planet was once home to life.
Scientists have uncovered what is now believed to be the largest volcanic region on the planet.
An asteroid due to pass the Earth in October is to become a target for a planetary defense exercise.
Astronomers believe that they may have found, for the first time, a moon orbiting an extrasolar planet.
In an interview on his 75th birthday, Professor Stephen Hawking warned of the dangers of global warming.
For the first time ever, an asteroid deflection technique for planetary defense is set to be tested out.
Astronomers have suggested that there may be more than one mystery planet in the outer solar system.
ESA is set to launch a new satellite that will seek out potentially habitable extrasolar planets.
A mass extinction event 200 million years ago made it possible for the dinosaurs to dominate the planet.
At twice the size of Jupiter, KELT-9b experiences temperatures in excess of 4300 degrees Celsius.
NASA's Mars Reconnaissance Orbiter has discovered a rather unusual feature on the planet's surface.
Data collected by the Curiosity rover has suggested that Mars could have supported life for a very long time.
Scientists have been trying to work out what the weather might be like on this recently discovered world.
Astronomers have been analyzing the atmosphere of a Neptune-sized planet located 430 light years away.
The US Air Force's mysterious space plane has landed in Florida after spending nearly two years in orbit.
Scientists have announced the discovery of a freezing Earth-mass world 13,000 light years away.
A species of caterpillar known to eat wax inside beehives has been found to eat plastic bags as well.