A new reactor design could make nuclear-powered space exploration cheap, reliable and safe
After more than a decade of searching, scientists finally detect the element billowing out of a gas giant
Congress is preparing to vote on legislation that includes historic $37 billion for the NIH
Taking SETI more seriously means thinking expansively, but how do we evaluate the options?
2017 was the U.S.’s most expensive year for climate disasters on record
Extreme event attribution is one of the most rapidly expanding areas of climate science
Jet Propulsion Laboratory’s artificial intelligence chief describes the “ultimate” test for AI in space exploration
The psychology of brief, intense experiences
Supernovas are thought to be the explosive deaths of stars. So what happens when one is found repeating?
As it departs the inner solar system, scientists are racing to study the object before it fades from view
In recognition of the International Day of the Girl, a new take on E=mc2
The second-closest, properly sunlike star seems to be at least as interesting as the Alpha Centauri stars
Scientists investigate why mountain slopes can slip slowly for years and then suddenly speed up, with potentially fatal effects
Is our nearest neighboring exoplanet, Proxima b, an "Earth next door," or is it a lifeless rock?
Despite a bright moon, stargazers might see celestial fireworks Saturday night
Scientists will look into the heart of Surtsey, an island created 50 years ago by a volcanic eruption
Astrophysical events may have a hard time sterilizing Earth-analogue worlds, based on the example of water bears. But is it this simple?
New Jersey's working class are forgotten as federal government funds fixes for wealthier neighbors
When tiny particles of space debris slam into satellites, the collision could cause the emission of hardware-frying radiation. Christopher Intagliata reports.
On the deep seafloor, the carcasses of the largest mammals give life to unique ecosystems