Search results for exomoon

Astrobiology Feb 10, 2025

Is methane the key to finding life on other worlds?

How would detecting methane help astronomers identify if exoplanets, or even exomoons, have life as we know it, or even as we don't know it? This is what a recent study published in The Astronomical Journal hopes to address ...

Planetary Sciences Feb 10, 2025

Scientists spot candidate for speediest exoplanet system

Astronomers may have discovered a scrawny star bolting through the middle of our galaxy with a planet in tow. If confirmed, the pair sets a new record for the fastest-moving exoplanet system, nearly double our solar system's ...

Planetary Sciences Dec 16, 2024

Could planets orbiting two stars have moons?

Exomoons are a hot topic in the science community, as none have been confirmed with astronomers finding new and creative ways to identify them. But while astronomers have searched for exomoons orbiting exoplanets around single ...

Astrobiology Nov 6, 2024

Examining how stellar threats impact the habitable zone of exoplanets

When we think of exoplanets that may be able to support life, we home in on the habitable zone. A habitable zone is a region around a star where planets receive enough stellar energy to have liquid surface water. It's a somewhat ...

Planetary Sciences Oct 28, 2024

The search for exomoons is on

Moons are the norm in our solar system. The International Astronomical Union recognizes 288 planetary moons, and more are being discovered. Saturn has a whopping 146 moons. Every planet except Mercury and Venus has moons, ...

Planetary Sciences Oct 10, 2024

Distant planet may host volcanic moon like Jupiter's Io

New research done at NASA's Jet Propulsion Laboratory reveals potential signs of a rocky, volcanic moon orbiting an exoplanet 635 light-years from Earth. The biggest clue is a sodium cloud that the findings suggest is close ...

Astronomy Aug 26, 2024

Researchers propose inexpensive 2.2-kilometer telescope that could make exoplanet movies

Can a kilometer-scale telescope help conduct more efficient science, and specifically for the field of optical interferometry? This is what a study recently posted to the preprint server arXiv hopes to address.

Planetary Sciences Jun 18, 2024

In the hunt for a second Earth, look to small planets, says new research

Scientists around the world are constantly on the hunt for planets outside our solar system that could potentially provide a habitable environment for life.

Planetary Sciences May 21, 2024

The habitable worlds observatory could see lunar and solar 'exo-eclipses'

A future space observatory could use exo-eclipses to tease out exomoon populations.

Astronomy Apr 30, 2024

Citizen scientists help discover record-breaking exoplanet in binary star system

A team of astronomers and citizen scientists has discovered a planet in the habitable zone of an unusual star system, including two stars and potentially another exoplanet.

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