iOS app Android app

Astrobiology

ETI, Satan and Salvation: An Alien in My Church Pew

Leona Foxx | Posted 07.29.2014 | Religion
Leona Foxx

I'd welcome an alien in my church pew any Sunday, as an astrobiologist who is also a pastor. However, none have shown up as yet.

An Inconvenient Truth About Exoplanet Biosignatures

Dave Spiegel, Ph.D. | Posted 07.15.2014 | Science
Dave Spiegel, Ph.D.

For decades, at least, astronomers will be unable to know that an Earth twin's spectrum that shows signs of both oxygen and methane comes entirely from a single object. In other words, even if we find such a tantalizing signal, we might not know that we've found life on the Earth twin.

Aliens Almost Certainly Out There, Astronomers Tell Congress

The Huffington Post | Dominique Mosbergen | Posted 05.22.2014 | Science

Aliens almost definitely exist. At least, that's what two astronomers told Congress this week, as they appealed for continued funding to research l...

These Creatures Might Colonize Mars Before We Do

Space.com | Joseph Castro | Posted 05.17.2014 | Science

Microorganisms from Earth could hitch a ride on spacecraft and end up colonizing the Red Planet and other celestial bodies in the solar system, recen...

Is THIS The Way We'll Identify Alien Life?

| Angus Chen | Posted 03.13.2014 | Science

Earth’s atmosphere is heavy—it’s what keeps water from flying off into space. So astronomers looking for alien worlds that can harbor life have...

On Extraterrestrial Life: Part III

Mario Livio | Posted 03.04.2014 | Science
Mario Livio

You may wonder what another civilization might regard as relatively reliable biosignatures of Earth, were this civilization to observe Earth from a distance of tens of light-years.

On Extraterrestrial Life: Part II

Mario Livio | Posted 02.18.2014 | Science
Mario Livio

All life on Earth, for instance, relies on DNA and RNA for replication, the issuing of instructions at the molecular level, and heredity. Does that mean that our Earthly DNA is universal throughout the cosmos?

Finding Movie Inspiration in NASA's Real Science: The Case Study of Europa Report

Govindini Murty | Posted 11.21.2013 | Entertainment
Govindini Murty

Hollywood is in the midst of a science-fiction boom, yet few of its sci-fi movies are based on real science. That's a shame, because the scientific discoveries emerging from NASA these days are as exciting as any Hollywood blockbuster.

E.T. Hunters See Promise In Weird 'Eyeball Earths'

Posted 04.30.2013 | Science

By: Charles Q. Choi, Astrobiology Magazine Published: 04/30/2013 07:54 AM EDT on SPACE.com Alien worlds resembling giant eyeballs might exist arou...

Icy Moon Has Raw Materials For Life, Scientists Say

Posted 04.08.2013 | Science

By: Tariq Malik Published: 04/08/2013 08:52 AM EDT on SPACE.com A potential energy source for life appears to be common on Jupiter's icy moon Euro...

Could Life Have Evolved On Mars Before Earth?

Posted 03.13.2013 | Science

By: Mike Wall Published: 03/13/2013 10:18 AM EDT on SPACE.com The discovery that ancient Mars could have supported microbes raises the tantalizing...

Cara Santa Maria

WATCH: A New Way To Look At Life?

HuffingtonPost.com | Cara Santa Maria | Posted 12.24.2012 | Science

What is the definition of life? And how will we recognize it if we see it elsewhere in the cosmos? These are questions that have plagued scientists...

Lee Speigel

Become A Professional Alien Hunter

HuffingtonPost.com | Lee Speigel | Posted 07.20.2012 | Weird News

Now you can be a professional alien hunter too. Edinburgh University is about to make it possible for the average Joe to search for extraterrestri...

Scientist's Bizarre, Rule-Breaking Bacteria Nixed By New Studies

AP | MALCOLM RITTER | Posted 07.09.2012 | Science

NEW YORK -- It was a provocative finding: strange bacteria in a California lake that thrived on something completely unexpected – arsenic. What ...

Hollywood Gets Aliens All Wrong, Famed E.T. Hunter Says

Posted 05.29.2012 | Science

By: SPACE.com Staff Published: 05/25/2012 10:14 AM EDT on SPACE.com Despite what the movies tell us, any aliens that visit Earth probably won't ...

Weird Dark Spots On Mars Get Surprising Explanation

Posted 04.16.2012 | Science

Scientists puzzling over some odd dark spots on Mars may finally have shone a light on the mystery. In a new paper, published March 26 in the acade...

PHOTOS: Saturn's Moons Icily Bleak In Close-Ups From Cassini

Posted 03.30.2012 | Science

By: Clara Moskowitz Published: 03/30/2012 06:45 AM EDT on SPACE.com NASA's workhorse Saturn orbiter Cassini has just beamed back stunning new v...

Russian Scientist Claims Scorpion-like Alien Found On Venus, NASA Disagrees

Alejandro Rojas | Posted 03.27.2012 | Weird News
Alejandro Rojas

The idea of life on Venus is not given much credence by most mainstream scientists because of the extreme surface temperatures, which can exceed 800 degrees Fahrenheit.

Slouching To The Right Of The Drake Equation

Athena Andreadis, Ph.D. | Posted 02.05.2012 | Technology
Athena Andreadis, Ph.D.

The last few years have been heady for planet hunters. First the hot Jupiters; then the will-o'-the-wisp Glieslings and their cousins; and the results from the Kepler mission, one of which is Kepler-22b.

Life at the SETI Institute: Dr. Jill Tarter -- The Search for Cosmic Company

SETI Institute | Posted 12.20.2011 | Technology
SETI Institute

By Gail Jacobs Astronomer Dr. Jill Tarter is Director of the SETI Institute's Center for SETI Research, and also holder of the Bernard M. Oliver C...

Life at the SETI Institute: Rachel Mastrapa - Paving the Way for Astronomical Discoveries

SETI Institute | Posted 10.29.2011 | Technology
SETI Institute

By Dr. Rachel Mastrapa; Carl Sagan Center for the Study of Life in the Universe, SETI Institute, and Gail Jacobs Rachel Mastrapa studies the surface ...

SETI Institute Engages the Public and Celebrates Science

SETI Institute | Posted 10.12.2011 | Technology
SETI Institute

By Gail Jacobs Click on images for larger view The cosmos can be mysteriously alluring to all -- from the young in age to the young at heart. In par...

Seeing the Planets for the Trees

Anuradha K. Herath | Posted 07.24.2011 | Green
Anuradha K. Herath

In the search for life on other planets, scientists are looking beyond single-celled organisms and are developing techniques that would help them detect multicellular life.

Life at the SETI Institute: Lori Fenton -- Sand Seas of the Solar System

SETI Institute | Posted 06.20.2011 | Technology
SETI Institute

Lori's recent publications describe how dunes record climate change on Mars, the first evidence for dune migration on another planet, and how atmospheric models can be used to account for wind gustiness and its effects on sand movement.

Life at the SETI Institute: Jon Jenkins -- Turning Pixels Into Planets

SETI Institute | Posted 05.28.2011 | Technology
SETI Institute

After a starquake, says NASA's Dr. Jon Jenkins, "stars actually change their shape. This shape change causes an apparent change in brightness. As we study the brightness variations in time, we can essentially hear the songs of the stars."