Exoplanets

One of the Oldest Stars in the Galaxy has a Planet. Rocky Planets Were Forming at Nearly the Beginning of the Universe

Would it be surprising to find a rocky planet that dates back to the very early Universe? It should be.…

9 hours ago

Planets are Finally Being Discovered Orbiting Farther From Their Stars

We don't know much about exoplanets with long orbital periods, but we're starting to learn.

1 week ago

Stellar Flares May Not Condemn a Planet’s Habitability

Red dwarf stars are the most common kind of star in our neighbourhood, and probably in the Milky Way. Because…

3 weeks ago

Radio Emissions Have Been Detected from an Exoplanet

Invisible Glow Finding planets out in the Universe is pretty hard. I say this despite the fact that two planets…

1 month ago

Heard of Mini-Neptunes and gas-Dwarfs? Here's a new one: sub-Earths

A new study suggests that planets smaller than Earth form much later than large planets, which could point to a…

2 months ago

There are Planets So Close to Their Stars That They Have Magma Oceans 100km Deep and Winds that Go 8000 km/h

200 light years away, “super earth” exoplanet K2-141b orbits a star so closely that its "year" is only 7 hours…

2 months ago

Even older red dwarf stars are pumping out a surprising amount of deadly radiation at their planets

Most of the potentially habitable exoplanets we've discovered orbit small red dwarf stars. Red dwarfs make up about 75% of…

3 months ago

The Youngest Stellar Disk Ever Seen, Just 500,000 Years Old

Unless you’re reading this in an aircraft or the International Space Station, then you’re currently residing on the surface of…

3 months ago

The Color of Habitable Worlds

“This is where we live. On a Blue Dot.” said Carl Sagan when the now famous Pale Blue Dot photo…

3 months ago

We use the Transit Method to Find other Planets. Which Extraterrestrial Civilizations Could use the Transit Method to Find Earth?

We have found more than 4,000 planets orbiting other stars. Life on distant worlds could find us in the same…

3 months ago