Goldilocks planet could support life, study shows

Astronomers say a newly discovered planet might have Goldilocks-like conditions - neither too hot nor too cold - for water and possibly life.

50 new exoplanets announced, including 16 super-Earths

At the Extreme Solar Systems conference this week in Jackson Hole, Wyoming, 350 experts talking about 50 new exoplanets.

Nearby brown dwarf has extreme weather, astronomers say

A gigantic storm raging on the surface of this brown dwarf might be like Jupiter's red spot - but even grander in scale.

GRAIL spacecraft launch success and moon-bound

The instruments on the twin GRAIL spacecraft lunar orbiters are so precise they can detect a change in the distance between them the size of a red blood cell.

Solar flare number 4 from Sunspot 1283!

The sun produced a fourth solar flare this week, two X-class flares, the strongest kind. Expect possible auroras, especially on the morning of September 11.

Top 10 tips for seeing the supernova

A cosmic explosion - a supernova - from 21 million light-years away has been in the news. To see it, find a star party and experienced observers.

Zoom in to star cluster NGC 2100 in Large Magellanic Cloud

A dazzling star cluster - NGC 2100 - lies in the Large Magellanic Cloud, a neighbor of the Milky Way.

Sharper view of footprints, landing site, rover tracks on moon

New images released today by NASA show tracks from Apollo 17's lunar rover - and the last footprints left on the moon by astronauts - from the year 1972.

Richard Feynman in graphic novel by Jim Ottaviani

Jim Ottaviani spoke with EarthSky about his new book on world-famous Nobel physicist Richard Feynman, released in hardcover in late August 2011.

Hubble movies show supersonic stellar jets in motion

Combined Hubble images show jets in motion from young stars.