Extrasolar Planets

Gliese 15Ab: The Closest Known Super-Earth?

Our solar neighborhood is rich with planetary systems. Within 20 light-years we’ve detected sizzling gas giants and rocky planets orbiting…

10 years ago

This Robotic Laser System On A Telescope Is Looking At Alien Planets

There's a group of people probing exoplanets with a laser robot, and the results are showing a few surprises. Specifically,…

10 years ago

Companion Planet Could Keep Alien Earths Warm In Old Age: Study

People are generally social creatures, and in the case of planets that generally is the case as well. Many of…

10 years ago

Hubble Finds 3 (Relatively) Dry Exoplanets, Raising Questions About Water Outside The Solar System

Surprise! Three planets believed to be good candidates for having water vapor in their atmosphere actually have much lower quantities…

10 years ago

First Exoplanet Discovered Beyond the “Snow Line”

Data from NASA’s crippled Kepler space telescope has unleashed a windfall of hot Jupiters — sizzling gas giants that circle…

10 years ago

‘Vulnerable’ Earth-Like Planets Could Survive With Friction: Study

If you're a potentially habitable world orbiting in a zone where liquid water can exist -- and then a rude…

10 years ago

Join the Live Discussion: The Hunt for Other Worlds Heats Up

As readers of Universe Today know, exoplanets are one of the hottest topics in astronomy today. In just the past…

10 years ago

A Brief History Of Gliese 581d and 581g, The Planets That May Not Be

Two potentially habitable planets in the Gliese 581 system are just false signals arising out of starstuff, a new study…

10 years ago

Nearby Super-Earth is Best Habitable Candidate So Far, Astronomers Say

On a clear night, you might be able to spot the red dwarf star Gliese 832 through a backyard telescope,…

10 years ago