This image from the floor of the Atlantic Ocean shows a collection of limestone towers known as the "Lost City." A
Planetary 'Runaway Greenhouse' More Easily Triggered, Research Shows
Venus. In the runaway greenhouse stage, a planet absorbs more solar energy than it can give off to retain equilibriu

Violent Sun
Human spaceflight and operations image of the week
Image << SWAP sees the Sun
The SWAP instrument on boa

Two Moons Passing in the Night
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The Saturn moons Mimas and Pandora remind us of how different they are when they app

New research indicates that Social monogamy evolved as a result of competition for females.
The socially monogamous dik-dik, a small antelope that lives in Africa. (Credit: Peter Brotherton)
Social mo

Social Amoebae Travel With a Posse: Tiny Single-Celled Organisms Have Amazingly Complicated Social Lives
The social amoeba called Dictyostelium discoideum, picks up edible bacteria, carries them to new locations and harve

A Surprisingly Bright Superbubble
This composite image shows a superbubble in the Large Magellanic Cloud (LMC), a small satellite galaxy of the Mi

X-rays From A Young Supernova Remnant
More than fifty years ago, a supernova was discovered in M83, a spiral galaxy about 15 million light years from

Exoplanet HD 189733b
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This graphic depicts HD 189733b, the first exoplanet caught passing in fron

Laser communications set for Moon mission
<< Image : ESA's Optical Ground Station (OGS) is 2400 m above sea level on the volcanic island of Tene

Migraines Associated With Variations in Structure of Brain Arteries
The network of arteries supplying blood flow to the brain is more likely to be incomplete in people who suffer migra

Near-Earth Asteroid 2003 DZ15 to Pass Earth Monday Night
The current orbital position of asteroid 2003 DZ15. (Created by the author using JPL’s Small-Body Database Browse
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