These images of Jupiter’s intensely volcanic moon, Io, taken five months apart, show the results of a titanic eruption, 400-kilometers (250 miles) across over Pillan Patera. The ability to monitor such changes over a period of years was one...

New analysis of the Red Planet\’s terrain using NASA\’s Mars Reconnaissance Orbiter and Global Surveyor spacecraft observations reveals what appears to be by far the largest impact crater ever found in the solar...

An icy, unknown world might lurk in the distant reaches of our solar system beyond the orbit of Pluto, according to a new computer model.

Researchers said they discovered a batch of three “super-Earths” orbiting a nearby star, and two other solar systems with small planets as well. They said their findings, presented at a conference in France, suggest that Earth-like...

At its closest approach, Solar Probe will be 7 million kilometers from the sun, witnessing the Sun at 23 times wider than what we see it from Earth. The vessel will have to withstand temperatures greater than 1400 degrees Celsius, and suffer...

As astronomers become more adept at hunting for, and finding, exoplanets orbiting stars beyond the Solar System, international astronomers have figured out just what we should be looking for using the increasingly sophisticated technologies...

“It could happen almost any time now. We now have the technological capability to identify Earth-like planets around the smallest stars.”

Is there a genocidal countdown built into the motion of our solar system? Recent work at Cardiff University suggests that our system’s orbit through the Milky Way encounters regular speedbumps - and by “speedbumps” we mean...

Astronomers have discovered a distant “twin” solar system which looks very similar to our own. So far researchers have identified two planets very similar to Jupiter and Saturn, which orbit a star about half the size of the Sun around...

“In a very short time, we are going to be able to see a planet with the same mass as the Earth, although it’s going to be in an orbit much closer to its star than that of the Earth around the sun, so it won’t strictly be a planet...