Earth-like planet around Proxima Centauri discovered

The hunt for exoplanets has been heating up in recent years. Since it began its mission in 2009, over four thousand exoplanet candidates have been discovered by the Kepler mission, several hundred of which have been confirmed ...

NASA seeks picometer accuracy

Finding and characterizing dozens of Earth-like planets will require a super-stable space telescope whose optical components move or distort no more than a few picometers—a measurement smaller than the size of an atom. ...

Researchers study nuances of social media 'likes'

The simple act of pressing a "like" button on a social media site can speak volumes about a user's preferences, relationships and behavioral patterns, according to Penn State researchers, and such findings about a user could ...

Stars with planets on strange orbits: what's going on?

All the planets in our solar system orbit close to the sun's equatorial plane. Of the eight confirmed planets, the Earth's orbit is the most tilted, but even that tilt is still small, at just seven degrees.

page 19 from 27