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Strange New Worlds: The Amazing Alien Planet Discoveries of 2013
Nov 30, 2013
Strange New Worlds: The Amazing Alien Planet Discoveries of 2013
While astronomers didn't bag that elusive first alien Earth in 2013, they made plenty of exciting exoplanet discoveries during the past year. Here's a list of the top exoplanet finds of 2013, from a tiny world about the size of Earth's moon to a blue gas giant on which it...
Alien Life May Exist on Exoplanet Moons
Dec 31, 2012
Alien Life May Exist on Exoplanet Moons
In the search for an Earth-like alien world, astronomers have had their eyes set on planets beyond our solar system, but some moons orbiting some of these exoplanets may be just as likely to support life, scientists say. Astronomers have discovered more than 800 exoplanets, with many more candidate worlds...
Aliens May Be Out There, But Too Distant For Contact
Sep 30, 2014
Aliens May Be Out There, But Too Distant For Contact
The Milky Way may be home to some 3,000 extraterrestrial civilizations but the vast distances between our galactic cousins will make contact extremely rare, a new study concludes. Data collected by NASA’s Kepler space telescope and other observatories scouting for planets beyond the solar system indicate Earth is one of...
We'll Find Alien Life in This Lifetime, Scientists Tell Congress
Apr 30, 2014
We'll Find Alien Life in This Lifetime, Scientists Tell Congress
Humans have long wondered whether we are alone in the universe. According to scientists working with the Search for Extraterrestrial Intelligence (SETI) Institute, the question may be answered in the near future. It's unproven whether there is any life beyond Earth, Seth Shostak, senior astronomer at the SETI Institute, said...
Stephen Hawking Is Still Afraid of Aliens
Aug 31, 2016
Stephen Hawking Is Still Afraid of Aliens
Humanity should be wary of seeking out contact with alien civilizations, Stephen Hawking has warned once again. In 2010, the famed astrophysicist said that intelligent aliens may be rapacious marauders, roaming the cosmos in search of resources to plunder and planets to conquer and colonize. He reiterates that basic concern...
The Universe Has Probably Hosted Many Alien Civilizations: Study
Apr 30, 2016
The Universe Has Probably Hosted Many Alien Civilizations: Study
Many other planets throughout the universe probably hosted intelligent life long before Earth did, a new study suggests. The probability of a civilization developing on a potentially habitable alien planet would have to be less than one in 10 billion trillion — or one part in 10 to the 22nd...
Talking to E.T.? Why Math May Be the Best Language
May 31, 2017
Talking to E.T.? Why Math May Be the Best Language
Communication between Earthlings and intelligent aliens should be based on mathematics — exo-arithmetic greetings that form a shared lingo, some researchers say. The idea is that mathematics is as much a part of our humanity as music and art. And it is mathematics that might be understandable — even familiar...
This Fluffy Alien World Farts Helium
Nov 30, 2018
This Fluffy Alien World Farts Helium
Since scientists first found planets around other stars, many of their most striking discoveries have come from off-Earth instruments like NASA’s Kepler and Hubble space telescopes. Kepler has identified more than 2,000 verified planets passing by their stars, while Hubble observations have helped scientists characterize exoplanet atmospheres. But two new...
Alien Hunters, Stop Using the Drake Equation
Nov 30, 2018
Alien Hunters, Stop Using the Drake Equation
Paul Sutter is an astrophysicist at The Ohio State University and the chief scientist at COSI science center. Sutter is also host of Ask a Spaceman and Space Radio and leads AstroTours around the world. Sutter contributed this article to Space.com's Expert Voices: Op-Ed & Insights. For the precocious hunter...
Extraterrestrial Life Could Be Purple
Sep 30, 2018
Extraterrestrial Life Could Be Purple
Alien life might be purple. That's the conclusion of a new research paper that suggests that the first life on Earth might have had a lavender hue. In the International Journal of Astrobiology, microbiologist Shiladitya DasSarma of the University of Maryland School of Medicine and postdoctoral researcher Edward Schwieterman at...
Water May Not Be the Only Sign of Alien Life
May 31, 2018
Water May Not Be the Only Sign of Alien Life
(Inside Science) – When it comes to looking for alien life, scientists mostly focus on where there is water. Now researchers suggest that looking at bioessential elements such as phosphorus and molybdenum could help judge a world's potential for life. There is life virtually wherever there is water on Earth,...
This Alien World Has No Clouds, and That's Weird
Apr 30, 2018
This Alien World Has No Clouds, and That's Weird
The team, led by Nikolay Nikolov, an astronomer at the University of Exeter in the United Kingdom, detected this hot gas giant, known as WASP-96b, using the European Southern Observatory's Very Large Telescope in Chile. The team determined the atmospheric makeup of the exoplanet by studying it as it passed...
Intelligent Aliens Might Speak Our Language. And You Can Help Decode Their Messages.
Apr 30, 2018
Intelligent Aliens Might Speak Our Language. And You Can Help Decode Their Messages.
Stay sharp! You may be needed to help decode a message from intelligent aliens someday. The work of professional linguists, mathematicians and scientists is probably not going to be enough to unravel a cosmic mystery missive, said Sheri Wells-Jensen, a linguist at Bowling Green University in Ohio who also serves...
Why Extraterrestrial Life May Be More Unlikely Than Scientists Thought
Mar 31, 2018
Why Extraterrestrial Life May Be More Unlikely Than Scientists Thought
Phosphorus is an essential element for life — but that there was enough of it for life to start on Earth might just have been a matter of luck, new findings suggest. According to new observations of the Crab Nebula — the leftovers from an exploding star first seen by...
Will 2020 Be the Year We Find Intelligent Alien Life?
Oct 31, 2019
Will 2020 Be the Year We Find Intelligent Alien Life?
In the past three decades, scientists have found more than 4,000 exoplanets. And the discoveries will keep rolling in; observations suggest that every star in the Milky Way galaxy hosts more than one planet on average. Given a convergence of ground- and space-based capability, artificial intelligence/machine learning research and other...
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