A new study suggests that dark streaks on Mars are signs of flowing sand -- not water. Monday's news throws cold water on 2015 research that indicated these recurring slope lines were signs of water currently on...
NASA captured 20 years of changing seasons in a striking new global map of the home planet.
The data visualization, released this week, shows Earth's fluctuations as seen from space.
The polar ice caps and...
Friday, Nov 17, 2017 at 10:39 AM PST
UN Panel Agrees to Move Ahead With Debate on 'Killer Robots'
A U.N. panel agreed Friday to move ahead with talks to define and possibly set limits on weapons that can kill without human involvement, as human rights groups said governments are moving too slowly to keep up...
Friday, Nov 17, 2017 at 03:24 AM PST
Tesla Wants to Electrify Big Trucks, Adding to Its Ambitions
After more than a decade of making cars and SUVs — and, more recently, solar panels — Tesla Inc. wants to electrify a new type of vehicle: big trucks.
The company unveiled its new electric semitractor-trailer...
Phone companies will have greater authority to block unwanted calls from reaching customers as regulators adopted new rules to combat automated messages known as robocalls.
Rules adopted Thursday by the Federal...
Thursday, Nov 16, 2017 at 05:56 AM PST
White Nationalist Spencer, Others Lose Twitter Verification
Richard Spencer and other prominent white nationalists have lost their official blue check marks on Twitter after the social media platform announced changes to its verification practices.
Wednesday, Nov 15, 2017 at 10:53 AM PST
Close New Earth-Size World, Where Year Lasts Under 10 Days
Astronomers have discovered a close new world about the size of Earth, where a year lasts just under 10 days.
At a distance of 11 light-years, Ross 128 b is the second-closest planet to be detected yet outside...
IBM has announced a milestone in its race against Google and other big tech firms to build a powerful quantum computer.
Dario Gil, who leads IBM's quantum computing and artificial intelligence research...