Related topics: earth · stars · planets · spacecraft · moon

Superior Super Earths

Super Earths are named for their size, but these planets - which range from about 2 to 10 Earth masses - could be superior to the Earth when it comes to sustaining life. They could also provide an answer to the ‘Fermi Paradox’: ...

Life might survive, and thrive, in a hydrogen world: study

As new and more powerful telescopes blink on in the next few years, astronomers will be able to aim the megascopes at nearby exoplanets, peering into their atmospheres to decipher their composition and to seek signs of extraterrestrial ...

In 40 million years, Mars may have a ring (and one fewer moon)

Nothing lasts forever - especially Phobos, one of the two small moons orbiting Mars. The moonlet is spiraling closer and closer to the Red Planet on its way toward an inevitable collision with its host. But a new study suggests ...

Researchers propose new type of planetary object

Scientists suggest in a new study the existence of a planetary object called a "synestia," a huge, spinning, donut-shaped mass of hot, vaporized rock, formed as planet-sized objects smash into each other.

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