Galaxy Cluster RDCS 1252.9-2927
A color composite image of the galaxy cluster RDCS 1252.9-2927 shows the X-ray (purple) light from 70-million-degree Celsius gas in the cluster, and the optical (red, yellow and green) light from the galaxies in the cluster. X-ray data from Chandra and the…
Continue reading →
More science facts
Biology
How Do Bacteria Reproduce?
Bacteria are microorganisms that have been around for billions of years. How have they survived all that time?…
Astronomy
Live Fast, Blow Hard, and Die Young
Massive stars lead short, yet spectacular lives. And, they usually do not go quietly, instead often blowing…
Medicine
Is Heartburn a Heart Burn?
Heartburn is a bad name for a complaint that has nothing to do with the heart. TV ads call it acid…
Biology
Your Senses Make Sense of Energy
Your different sense receptors are designed to gather different kinds of sensory information about the world…