An object the mass between the Earth and Mars may be lurking in the far side of the solar system, scientists say. This could be Planet 10.
Hubble captures a massive galaxy that stopped making new stars just a few billion years after the Big Bang.
An asteroid strike will have a disastrous effect on Earth and can wipe out major cities, experts warn.
Somewhere in this photo, the Mars Curiosity rover can be seen continuing on its undeterred journey.
NASA completed mission study on Uranus and Neptune. Understanding the ice giants could lead to answers regarding the evolution of the solar system.
Watch NASA briefing on Total Solar Eclipse Science 2017!
HiRISE, an orbiting camera above Mars, was able to photo the rover Curiosity climbing up the slopes of Mt. Sharp.
The European Space Agency has given the green light to the PLATO and LISA missions.
The American space agency has revealed the science targets that the James Webb Space Telescope will observe first.
The launch of a SpaceX Falcon 9 rocket has been rescheduled for Friday, whereas another one is scheduled to take off on Sunday.
By 2100, scientists believe Mars colonies would want to "phone home" to Earth, but could there be effective, secure call connections by then?