Disequilibrium

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What biological clocks and geological rocks tell us about life in space

One of the first geological lessons we learn is that continents are constantly moving. The evidence of these plate tectonic movements is written in …

Evolution

Saturn’s moon Titan has a key ingredient that could be used to cook up life

How to form cell membranes in lakes of methane<p>Saturn’s moon Titan harbors a key chemical ingredient that may allow organisms to exist on this distant, chilly world. Astronomers have spotted a molecule in Titan’s atmosphere that could be instrumental in the formation of cells, which are a crucial …

Planets

The Best Astronomy Pictures of the Year Are Absolutely Incredible

Auroral Crown<p>During an astrophotography tour of the Murmansk region with Stas Korotkiy, an amateur astronomer and popularizer of astronomy in Russia, …

Astronomy

Earth's Tectonic Activity May Be Crucial for Life--and Rare in Our Galaxy

Our planet is in constant flux. Tectonic plates—the large slabs of rock that divide Earth’s crust so that it looks like a cracked eggshell—jostle …

ESOcast 117 Light: Eyes Wide Open for New Exoplanet Hunter (4K UHD)

Soar over Pluto and Charon

To celebrate the 2-year anniversary of New Horizon’s flyover of the Pluto system, NASA released these 2 cool videos. Sail over the surface of Pluto …

Science

There's Growing Evidence That Pluto's Largest Moon Had a Massive Ocean

Pluto’s moon Charon is the best sidekick a dwarf planet could hope for: unwavering in its loyalty, content to be a minor character in somebody else’s …

The Resilience of Life to Astrophysical Events

Much attention has been given in the literature to the effects of astrophysical events on human and land-based life. However, little has been …

Astrophysics

Jets from a Distance

Photojournal: PIA21338<p>July 17, 2017<p>Enceladus' intriguing south-polar jets are viewed from afar, backlit by sunlight while the moon itself glows …

Space Exploration

A Simple Bacterium Reveals How Stress Drives Evolution

The researchers examined the biological processes of E.coli, a common bacteria. Credit: NIAID<p>A common bacteria is furthering evidence that evolution …

Long After Humanity is Gone and the Sun Dies, the Water Bears Will be There

Like all living creatures, stars have a natural lifespan. After going through their main sequence phase, they eventually exhaust their nuclear fuel …

Biology

Some invasive species actually help their new habitats thrive

More nuance, less nativism.<p>The invasive species didn’t mean to be bad. Not really. Often introduced to solve uniquely human problems like pests or erosion, plants and animals that find themselves in a new place, far from their native habitat, aren’t <i>actually</i> making an effort to destroy everything …

Biological Species