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Astronomers Scanned 12 Planets for Alien Signals While They Were in Front of Their Stars

The Robert C. Byrd Green Bank Telescope (GBT), part of the Green Bank Observatory in West Virginia, is...

Hubble and Spitzer Team up to Find a Pair of Waterworld Exoplanets

As of December 19th, 2022, 5,227 extrasolar planets have been confirmed in 3,908 systems, with over 9,000 more awaiting...

Giant Exoplanet is Spiraling Inward to its Doom

“Death by star” is a fate awaiting most planets in star systems. That includes our Sun, Venus, and...

Could Life Survive on Frigid Exo-Earths? Maybe Under Ice Sheets

Our understanding of habitability relies entirely on the availability of liquid water. All life on Earth needs it,...

This Hellish Planet Orbits its Star Every 18 Hours. How Did it Get There?

Astronomers discovered 55 Cancri e in 2004. That was five years before NASA’s Kepler planet-hunting spacecraft was launched,...

Do Exoplanet Scientists Have Favorite Exoplanets?

Exoplanets have become quite the sensation over the last decade-plus, with scientists confirming new exoplanets on a regular basis...

What’s the Best Mix of Oceans to Land for a Habitable Planet?

Earth is about 29% land and 71% oceans. How significant is that mix for habitability? What does it...

JWST Detects Signs of Active Chemistry and Clouds in the Atmosphere of Exoplanet WASP-39 b

NASA’s JWST data just keeps on delivering amazing discoveries. Back in July, it observed the exoplanet WASP-39 b...

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