carbon dioxide

Another Explanation for K2-18b? A Gas-Rich Mini-Neptune with No Habitable Surface

Exoplanet K2-18b is garnering a lot of attention. James Webb Space Telescope spectroscopy shows it has carbon and methane in…

4 weeks ago

JWST Takes a Detailed Look at Jupiter’s Moon Ganymede

Nature doesn't conform to our ideas of neatly-contained categories. Many things in nature blur the lines we try to draw…

4 months ago

The JWST Just Found Carbon on Europa, Boosting the Moon’s Potential Habitability

Most planets and moons in the Solar System are clearly dead and totally unsuitable for life. Earth is the only…

5 months ago

Geoengineering is Shockingly Inexpensive

Despite decades of warnings and international climate agreements, global carbon emissions are still rising. Carbon emissions seem like an unstoppable…

9 months ago

JWST Finds a Comet Still Holding Onto Water in the Main Asteroid Belt

Comets are instantly recognizable by their tails of gas and dust. Most comets originate in the far, frozen reaches of…

9 months ago

The IPCC Releases its 2022 Report on Climate Change, in Case you Needed Something Else to Worry About

The IPCC just released its Working Group II report, which addresses the impacts of Climate Change and the necessary adaptations.

2 years 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…

3 years ago

Scientists Think They Know What Caused the Deadliest Mass Extinction in the History of the Earth

Humanity can have a love/hate relationship with itself, but there's no denying that we're the pinnacle of evolution on Earth…

3 years ago

There Could Be Carbon-Rich Exoplanets Made Of Diamonds

Scientists are getting better at understanding exoplanets. We now know that they're plentiful, and that they can even orbit dead…

3 years ago

Even If We Cut Greenhouse Gas Emissions Tomorrow, it Would Take Decades for the Earth to Start Cooling Again

If—or hopefully when—we cut our Greenhouse Gas (GHG) emissions, we won't notice much difference in the climate. The Earth's natural…

4 years ago