Exoplanets

An exoplanet has been found for the first time using radio telescopes

Astronomers have found an extrasolar planet around a main sequence star. Which isn't a big deal. With a radio telescope.…

2 days ago

A Strange Planet has been Found that’s Smaller than Neptune But 50% More Massive

Astronomers have found another strange exoplanet in a distant solar system. This one's an oddball because its size is intermediate…

5 days ago

Saturn-sized Planet Found in the Habitable Zone of Another Star. The First Planet Completely Discovered by Amateur Astronomers

Exoplanets have been a particularly hot topic of late.  More than 4000 of them have been discovered since the first…

2 weeks ago

Wow! An Actual Picture of Multiple Planets Orbiting a Sunlike Star

We've detected thousands of exoplanets, but for the most part, nobody's ever seen them. They're really just data, and graphs…

3 weeks ago

Astronomers are Starting to Find Planets in Much Longer Orbits. Cooler, More Habitable Planets

We're getting better and better at detecting exoplanets. Using the transit method of detection, the Kepler Space Telescope examined over…

3 weeks ago

A Neptune-class exoplanet has been found with its atmosphere stripped away

What happens when a giant planet gets stripped of its atmosphere? It leaves behind a giant core, rich in iron…

3 weeks ago

Deep Down in Ocean Worlds, it’s Difficult to Tell Where the Oceans End and the Rock Begins

We all know what water is. And what rock is. The difference is crystal clear. Well, here on Earth it…

1 month ago

Another Collection of Newly Forming Planetary Systems. This Time from the Gemini Planet Imager

Over the next decade, several very powerful telescopes will come online. Observing time on these 'scopes will be in high…

2 months ago

Astronomers Estimate There Are 6 Billion Earth-Like Planets in the Milky Way

Six billion Earth-like planets in the Milky Way? If true, that's astounding. But the number needs some context. The Milky…

2 months ago

Newborn Exoplanets can be Completely Stripped of Their Atmosphere by Stars

Newborn exoplanets can have a tough life. They may form an atmosphere, but that atmosphere can be doomed. Their stars…

2 months ago