Exoplanet atmospheres

Astronomers Measure the Atmosphere on a Planet Hundreds of Light-Years Away

In a recent study, an international team of astronomers directly measured the atmospheric composition of a hot Jupiter hundreds of…

5 days ago

An Exoplanet Reaches 2400 C in One Hemisphere. Does it Really Rain Iron?

WASP-76b is an ultra-hot Jupiter about 640 light-years away from Earth in the constellation Pisces. A few years ago it…

1 month ago

Astronomers Detect Clouds on an Exoplanet, and Even Measure Their Altitude

An international research team shows how combining data from multiple observatories allowed them to detect clouds in the atmosphere of…

2 months ago

Astronomers Have Found the Perfect Exoplanet to Study Another World’s Atmosphere

TESS (Transiting Exoplanet Survey Satellite) has found a new planet, and the discovery of this sub-Neptune exoplanet has scientists excited…

5 months ago

How To Search the Chemical Makeup of Exoplanet Atmospheres for Hints at Their History

Author’s note – this article was written with Dr. Vincent Kofman, a scientist at NASA’s Goddard Space Flight Center (GSFC), working in…

5 months ago

Meteorites Hold Early Atmospheres From Across the Solar System

Since they were formed in the early solar system, many meteorites offer an unadulterated view into what that solar system…

7 months 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!

7 months ago

Astronomers Find a Planet Like Jupiter, but It Doesn’t Have any Clouds

Can you picture Jupiter without any observable clouds or haze? It isn't easy since Jupiter's latitudinal cloud bands and its…

10 months ago

Astronomers Capture a Direct Image of a Brown Dwarf

The field of exoplanet photography is just getting underway, with astronomers around the world striving to capture clear images of…

11 months ago

If a Planet Has a Lot of Methane in its Atmosphere, Life is the Most Likely Cause

The ultra-powerful James Webb Space Telescope will launch soon. Once it's deployed, and in position at the Earth-Sun Lagrange Point…

11 months ago