(AP) -- Lately, a handful of new discoveries make it seem more likely that we are not alone - that there is life somewhere else in the universe.
Space Exploration
Dec 8, 2010
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The White House has responded to two petitions asking the US government to formally acknowledge that aliens have visited Earth and to disclose to any intentional withholding of government interactions with extraterrestrial ...
Space Exploration
Nov 7, 2011
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When packing for a manned mission to Mars or the Moon, the best thing to bring may not be food or fuel, but specially designed organisms that can create those things for you.
Space Exploration
Sep 23, 2010
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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 Mars can help future ...
Space Exploration
May 31, 2010
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Non-native species—displaced either by global trade and travel or by climate change—pose "a severe global threat" to local biodiversity, food security as well as public health, a new report has found.
Plants & Animals
Sep 5, 2023
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If there are so many galaxies, stars, and planets, where are all the aliens, and why haven't we heard from them? Those are the simple questions at the heart of the Fermi Paradox. In a new paper, a pair of researchers ask ...
Space Exploration
May 3, 2022
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The gaps and stringy fibers in these space rocks sure look like bacteria, and a NASA researcher has caused a stir with claims that they're fossils of alien life. But as NASA found 15 years ago, looks can be deceiving.
Space Exploration
Mar 7, 2011
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A highly unusual object was spotted traveling through the solar system in 2017. Given a Hawaiian name,ʻOumuamua, it was small and elongated—a few hundred meters by a few tens of meters, traveling at a speed fast enough ...
Astronomy
Feb 19, 2021
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While invasive alien species have long been recognized as a major threat to nature and people, urgent action now is needed to tackle this global issue. This is the critical evaluation by the 88 authors, representing 101 organizations ...
Plants & Animals
Jun 3, 2024
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(PhysOrg.com) -- Almost three years ago a team of scientists at the U.S. Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) was performing an experiment in which layers of gold mere nanometers (billionths ...
Nanophysics
Mar 2, 2012
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