Astronomers have, for the first time, pinned down both the mass and distance of a planet that drifts through the galaxy ...

The galaxy is expected to be home to billions of free-floating, or "rogue", planets that have no stellar companion. These ...

Scientists measured mass and distance of free floating planet drifting through space without star for first time.

Scientists have discovered a rogue planet roaming the Milky Way after combining observations from Earth and a space telescope ...

The search for life beyond Earth is a key driver of modern astronomy and planetary science. The U.S. is building multiple major telescopes and planetary probes to advance this search. However, the ...

A new computational model suggests that Uranus' and Neptune's cores may be less icy than their "ice giant" nickname suggests.

While most planets that we are familiar with stick relatively close to their host star in a predictable orbit, some planets ...

The search for life beyond Earth is a holy grail quest for many experts, but finding where to look is a core issue. When you purchase through links on our site, we may earn an affiliate commission.