On December 11, 2017, US President Donald Trump signed a directive ordering NASA to prepare to return astronauts to the Moon "followed by human missions to Mars and other destinations."
Space Exploration
May 18, 2019
47
694
UN Secretary-General Antonio Guterres said it was vital "to save the Pacific to save the world" as he wrapped up his brief South Pacific tour in Vanuatu on Saturday.
Environment
18 hours ago
0
66
The vibe at a gathering this week for blockchain enthusiasts felt decidedly less exuberant than its predecessor a year ago after dizzying swings in bitcoin.
Business
May 18, 2019
0
35
Big cities beset with gridlocked traffic, major regions producing coal, pockets of heavy industry encased by mountains—Europe's air pollution hotspots are clearly visible from space on most sunny weekdays.
Environment
May 18, 2019
0
29
Scientists say breathing the heavily polluted air in Mexico City these days is like smoking somewhere between a quarter- and a half-pack of cigarettes a day.
Environment
May 18, 2019
1
29
The ultimate degree of control for engineering would be the ability to create and manipulate materials at the most basic level, fabricating devices atom by atom with precise control.
General Physics
May 17, 2019
13
551
U.S. Navy pilots and sailors won't be considered crazy for reporting unidentified flying objects, under new rules meant to encourage them to keep track of what they see. Yet just a few years ago, the Pentagon reportedly shut ...
Other
May 17, 2019
19
21
A team of researchers has produced a record-shattering underwater sound with an intensity that eclipses that of a rocket launch. The intensity was equivalent to directing the electrical power of an entire city onto a single ...
General Physics
May 17, 2019
10
209
Machine learning (ML), a form of artificial intelligence that recognizes faces, understands language and navigates self-driving cars, can help bring to Earth the clean fusion energy that lights the sun and stars. Researchers ...
Plasma Physics
May 17, 2019
9
647
In materials science, achromatic optical components can be designed with high transparency and low dispersion. Materials scientists have shown that although metals are highly opaque, densely packed arrays of metallic nanoparticles ...
