Evidence of an expanding universe will have disappeared from view in a hundred billion years, throwing any future versions of cosmic science back to 19th-century models, according to a new essay.
As global temperatures have risen, rainfall has kept pace, a new study shows—results that suggest many of the world's most sophisticated climate models are flawed.
A thin layer of the sun's atmosphere called the chromosphere is heated up by sound waves carried from the star's interior by magnetic fields, new research suggests.
Two genes that are still evolving in humans might have subtle effects on people's abilities to learn different types of languages, according to new research.
Astronomers found 28 new planets outside the solar system in the past year, and the increased rate of exoplanet discovery suggests the galaxy is brimming with other worlds.
A comet exploded over North America about 13,000 years ago, causing massive mammal die-offs and the demise of one of the earliest American cultures, according to a controversial new theory.
Software under development at NASA could adjust airplane controls to help pilots keep their craft in control even when faced with catastrophic failures.
A Neptune-size planet likely covered in hot—but solid—water has been discovered in a snug orbit around a nearby star, a team of astronomers announced today.
Some common U.S. birds saw declines of up to 45 percent from the West Nile virus, a new study shows—suggesting even the most familiar birds are surprisingly vulnerable.
