News tagged with exoplanets

Related topics:

Earth's sister in the crosshairs

Earth’s sister is out there, somewhere, and scientists searching for planets that may support life believe they are closing in on finding just that.

Apr 20, 2012
not rated yet 11

Astronomers detect coolest radio star

(Phys.org) -- Astronomers using the world's largest radio telescope, at Arecibo, Puerto Rico, have discovered flaring radio emission from an ultra-cool star, not much warmer than the planet Jupiter, shattering the previous ...

Apr 18, 2012
4.3 / 5 (3) 6 | with audio podcast

'Tidal Venuses' may have been wrung out to dry

Earth-sized exoplanets within a distant star’s habitable zone could still be very much uninhabitable, depending on potential tidal stresses — either past or present — that could have "squeezed ...

Mar 29, 2012
5 / 5 (1) 1

Space image: Compact planetary system

(PhysOrg.com) -- This artist's concept depicts a planetary system so compact that it's more like Jupiter and its moons than a star and its planets. Astronomers using data from NASA's Kepler mission and ground-based ...

Mar 15, 2012
5 / 5 (2) 0

Possible water in the atmosphere of a super-Earth

A "super-Earth" is an exoplanet (a planet around another star) whose mass is between about two and ten Earth-masses. Planets larger than this are closer to Uranus and Neptune in size (and perhaps in other ...

Mar 05, 2012
4.6 / 5 (10) 1 | with audio podcast