Exoplanets

Did We Find Exomoons or Not? The Question Lingers.

Do exoplanets have exomoons? It would be extraordinary if they didn't, but as with all things, we don't know until…

2 months ago

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…

2 months ago

Exoplanets: Why study them? What are the challenges? What can they teach us about finding life beyond Earth?

Universe Today has explored the importance of studying impact craters and planetary surfaces and what these scientific disciplines can teach…

3 months ago

What Could the Extremely Large Telescope See at Proxima Centauri's Planet?

Astronomers discovered a rocky exoplanet in the habitable zone of Proxima Centauri, the closest star to the Sun. Could there…

3 months ago

Is K2-18b Covered in Oceans of Water or Oceans of Lava?

In the search for potentially life-supporting exoplanets, liquid water is the key indicator. Life on Earth requires liquid water, and…

3 months ago

A Hot Jupiter With a Comet-Like Tail

About 164 light-years away, a Hot Jupiter orbits its star so closely that it takes fewer than four days to…

3 months ago

Big Planets Don’t Necessarily Mean Big Moons

Does the size of an exomoon help determine if life could form on an exoplanet it’s orbiting? This is something…

3 months ago

Half of this Exoplanet is Covered in Lava

Astronomers working with TESS (Transiting Exoplanet Survey Satellite) have discovered a planet that's been left out in the Sun too…

3 months ago

Hubble Watches an Exoplanet Atmosphere Change Over Three Years

If you want to know more about an exoplanet atmosphere, watch how it changes over time. That's the mantra of…

3 months ago

GJ 367b is Another Dead World Orbiting a Red Dwarf

Red dwarf exoplanet habitability is a hot topic in space science. These small dim stars host lots of exoplanets, including…

3 months ago