News tagged with alien planets

Getting to know the Goldilocks planet

NASA's Kepler spacecraft is discovering a veritable avalanche of alien worlds.  Recent finds include planets with double suns, massive "super-Earths" and "hot Jupiters," and a miniature solar system.  ...

Mar 30, 2012
5 / 5 (13) 0 | with audio podcast

On the trail of new planets

(PhysOrg.com) -- A project in which volunteers hunt online for new planets NASA may have missed is publishing its first results which show some remarkable finds.

Sep 29, 2011
5 / 5 (2) 0

Martian water vs. the volcanoes

For decades NASA has been "following the water" on Mars with hopes of finding signs of alien life there; or at least signs that future colonists won't die of thirst. Now a Texas geologist has dared to revive ...

Jul 27, 2011
4.6 / 5 (7) 8 | with audio podcast

Sulfurous signs of life

Any sulfurous molecules that astronomers spot on alien worlds might be a way to reveal whether or not those distant planets host life, researchers suggest.

Jun 30, 2011
3.7 / 5 (9) 17 | with audio podcast

How to learn a star's true age

(PhysOrg.com) -- For many movie stars, their age is a well-kept secret. In space, the same is true of the actual stars. Like our Sun, most stars look almost the same for most of their lives. So how can we ...

May 24, 2011
5 / 5 (3) 7 | with audio podcast

Try failed stars for alien life

The search for alien life usually focuses on planets around other stars. But a lesser-known possibility is that life has sprung up on planets that somehow were ejected from their original solar systems and ...

Mar 31, 2011
3.8 / 5 (5) 1 | with audio podcast

Volunteers to hunt for 'lost planets'

(PhysOrg.com) -- The public are being asked to help Oxford University astronomers find planets orbiting other stars which may have been 'lost' in the data from over 100,000 stars. Volunteers could even find ...

Dec 20, 2010
5 / 5 (9) 0 | with audio podcast

Probing Question: What is a Near Earth?

In the 1997 movie "Contact" (based on the novel by Carl Sagan), actress Jodie Foster plays an astrophysicist devoted to SETI -- the Search for Extra-Terrestrial Intelligence. Despite doubting colleagues, she ...

Sep 27, 2010
3.6 / 5 (10) 2

Mars was Wet, but was it Warm?

Mars is frozen today, but when it was young there may have been liquid water on its surface. What does the latest evidence indicate about the ancient martian climate? Understanding the past environment of ...

May 31, 2010
4.9 / 5 (11) 10 | with audio podcast

SETI Redux: Joining the Galactic Club

In this essay, David Schwartzman, a biogeochemist at Howard University in Washington D.C., explains why he thinks the aliens are out there, despite the fact that the search for extraterrestrial intelligence (S ...

May 24, 2010
3.8 / 5 (9) 22