Related topics: stars · planets · solar system · jupiter · liquid water

Video: Gaia, the billion star surveyor

ESA's Gaia space telescope revolutionizes our understanding of the Milky Way. It scans the sky to measure the position, movement, distance, and characteristics of billions of stars.

These are the best places to search for habitable exomoons

Our solar system contains eight planets and more than 200 moons. The large majority of those moons have no chance of being habitable, but some of them—Europa and Enceladus, for example—are strong candidates in the search ...

Even stars doomed to die as supernovae can have planets

Ninety percent of all exoplanets discovered to date (there are now more than 5,000 of them) orbit around stars the same size or smaller than our sun. Giant stars seem to lack planetary companions, and this fact has serious ...

Hubble observations used to answer key exoplanet questions

Archival observations of 25 hot Jupiters by the NASA/ESA Hubble Space Telescope have been analyzed by an international team of astronomers, enabling them to answer five open questions important to our understanding of exoplanet ...

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