Extrasolar Planets

There are Probably Many More Earth-Sized Worlds Than Previously Believed

In the past decade, the discovery of extrasolar planets has accelerated immensely. To date, 4,424 exoplanets have been confirmed in…

3 weeks ago

To Take the Best Direct Images of Exoplanets With Space Telescopes, we’re Going to Want Starshades

The Journal of Astronomical Telescopes, Instruments, and Systems (JATIS) has released a special edition of papers dedicated to educating the…

4 weeks ago

Most Exoplanets won’t Receive Enough Radiation to Support an Earth-Like Biosphere

According to new research, most extrasolar planets do not get enough radiation to support photosynthesis, which places limits on how…

1 month ago

A New Technique for “Seeing” Exoplanet Surfaces Based on the Content of their Atmospheres

A new study takes a look at how the presence of a surface can affect an exoplanets atmosphere, giving astrobiologists…

1 month ago

If Astronomers see Isoprene in the Atmosphere of an Alien World, There’s a Good Chance There’s Life There

According to new research from MIT, isoprene is another biosignature we should be on the lookout for on exoplanets!

4 months ago

Gliese 486b is a Hellish World With Temperatures Above 700 Kelvin

The CARMENES consortium recently discovered a super-Earth just 21 light-years away that will be the perfect test case for exoplanets…

5 months ago

How Would Rain be Different on an Alien World?

A new study takes a look at possible rainfall patterns on exoplanets, which could help narrow the search for extraterrestrial…

5 months ago

Just Some of the Planets That TESS Has Found Nearby

Using data from TESS and a number of other observatories, an international team has found a system with three exoplanets…

5 months ago

What Are Extrasolar Planets?

For countless generations, human beings have looked out at the night sky and wondered if they were alone in the…

6 months ago

A Sunlike Star Found With Four (No, Five!) Exoplanets Orbiting It

Thanks to an international team astronomers led from MIT, a nearby Sun-like star has been spotted with a system of…

6 months ago