Space

Extreme space weather-induced blackouts could cost US more than $40 billion daily

Extreme space weather-induced blackouts could cost US more than $40 billion daily

The daily U.S. economic cost from solar storm-induced electricity blackouts could be in the tens of billions of dollars, with more than half the...
Searches for signs of life on Wolf 1061 exoplanet

Searches for signs of life on Wolf 1061 exoplanet

Is there anybody out there? The question of whether Earthlings are alone in the universe has puzzled everyone from biologists and physicists to philosophers...
Peeking over Saturn's shoulder

Peeking over Saturn’s shoulder

No Earth-based telescope could ever capture a view quite like this. Earth-based views can only show Saturn's daylit side, from within about 25 degrees of...
Mars Rover Curiosity examines possible mud cracks

Mars Rover Curiosity examines possible mud cracks

Scientists used NASA's Curiosity Mars rover in recent weeks to examine slabs of rock cross-hatched with shallow ridges that likely originated as cracks in...
Earth's moon formed millions of years earlier than previously believed

Earth’s moon formed millions of years earlier than previously believed

Researchers at Princeton University and the University of California-Los Angeles have found that the moon is at least 4.51 billion years old, or 40...
Successful deep space maneuver for NASA’s OSIRIS-REx spacecraft

Successful deep space maneuver for NASA’s OSIRIS-REx spacecraft

New tracking data confirms that NASA’s OSIRIS-REx spacecraft aced its first Deep Space Maneuver (DSM-1) on Dec. 28, 2016. The engine burn sets up the...
A tale of two pulsars' tails: Plumes offer geometry lessons to astronomers

A tale of two pulsars’ tails: Plumes offer geometry lessons to astronomers

Like cosmic lighthouses sweeping the universe with bursts of energy, pulsars have fascinated and baffled astronomers since they were first discovered 50 years ago. In...
The secrets of dark energy

The secrets of dark energy

Baryon Oscillation Spectroscopic Survey (BOSS) measures the expansion rate of the Universe by determining the size of the baryonic acoustic oscillations (BAO) in the...
Stanford physicist suggests looking for dark matter in unusual places

Stanford physicist suggests looking for dark matter in unusual places

Most experiments searching for mysterious dark matter require massive colliders, but Stanford physicist Peter Graham advocates a different, less costly approach. For decades, particle physics...
The missing brown dwarfs in space

The missing brown dwarfs in space

Brown dwarfs are objects that are too large to be called planets, yet too small to be stars. Having a mass of only less than...