How Did Earth's Primitive Chemistry Get Kick Started?

Add Comment
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

Add Comment
Venus. In the runaway greenhouse stage, a planet absorbs more solar energy than it can give off to retain equilibriu
Two Moons Passing in the Night

Two Moons Passing in the Night

Add Comment
Larger Image : Click here 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.

New research indicates that Social monogamy evolved as a result of competition for females.

Add Comment
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

Social Amoebae Travel With a Posse: Tiny Single-Celled Organisms Have Amazingly Complicated Social Lives

Add Comment
The social amoeba called Dictyostelium discoideum, picks up edible bacteria, carries them to new locations and harve
A Surprisingly Bright Superbubble

A Surprisingly Bright Superbubble

Add Comment
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

X-rays From A Young Supernova Remnant

Add Comment
More than fifty years ago, a supernova was discovered in M83, a spiral galaxy about 15 million light years from
Laser communications set for Moon mission

Laser communications set for Moon mission

Add Comment
<< Image : ESA's Optical Ground Station (OGS) is 2400 m above sea level on the volcanic island of Tene