Atmosphere

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

We Could Find Extraterrestrial Civilizations by Their Air Pollution

Upcoming telescopes will give us more power to search for biosignatures on all the exoplanets we've found. Much of the…

5 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…

6 months 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…

7 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…

7 months ago

Mars Might Have Lost its Water Quickly

Mars is an arid place, and aside from a tiny amount of water vapour in the atmosphere, all water exists…

8 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…

8 months ago

Astronomers Challenge Recent Findings About Venus. “No Statistically Significant Detection of Phosphine”

In September, a team of scientists reported finding phosphine in the upper atmosphere of Venus. Phosphine can be a biomarker…

9 months ago

Astronomers Report They’ve Detected the Amino Acid Glycine in the Atmosphere of Venus

Does it feel like all eyes are on Venus these days? The discovery of the potential biomarker phosphine in the…

10 months ago

Did Pioneer See Phosphine in the Clouds of Venus Decades Ago?

The discovery of phosphine in Venus' atmosphere has generated a lot of interest. It has the potential to be a…

10 months ago