| Jun 13, 2014
| 7:55 PM
Any way you cut it, the situation at the Santa Susana Field Laboratory site outside Simi Valley is a mess.
The 2,850-acre former rocket engine test center is contaminated by a vast menu of radioactive isotopes and toxic chemicals. The condition of its...
| Jun 16, 2014
| 11:25 AM
| Jun 15, 2014
| 3:52 AM
| Jun 13, 2014
| 6:10 PM
Two and a half years after President Barack Obama disentangled America from a long, unpopular war in Iraq, his options for helping the Iraqi government stave off a militant onslaught are slim as doubts simmer over whether even punishing air strikes...
| Jun 14, 2014
| 5:00 AM
Political fallout over the seizure of Crimea has caused the U.S. government to rethink its partnership with Russia on space programs, which has bolstered business prospects for a historic California rocket company.
Engineers at Aerojet Rocketdyne in...
| May 27, 2014
| 3:45 PM
Countless famous footsteps have crossed the White House's entrance hall, but on Tuesday, some of the country's top science and technology dignitaries had to dodge a hovercraft made of foam and a paper bowl whizzing across the shiny pink-and-white marble....
| Jun 6, 2014
| 9:59 PM
A U.S. Navy plan for aircraft carrier-based drones has launched a dogfight in Washington over the role of the robotic planes in combat.
The Navy has asked contractors for reconnaissance drones — essentially spy planes, with only limited ability to...
| May 31, 2014
| 6:00 AM
You've never seen a solar eruption video quite like this before.
After 11 months in space, NASA's Interface Region Imaging Spectrograph (IRIS) has captured video of a coronal mass ejection in unprecedented detail, and the results are spectacular.
| Apr 25, 2014
| 4:22 PM
Elon Musk, founder and chief executive of Hawthorne rocket maker SpaceX, hastily called a news conference Friday in Washington, D.C., where he outlined an array of matters confronting his upstart company.
A cryptic email was sent to media around 9 p.m....
| May 16, 2014
| 6:00 PM
The escalating tension between the U.S. and Russia over Ukraine has reached a new altitude: space.
In the aftermath of the Cold War, the two superpowers set aside their mistrust and agreed to build a massive orbiting outpost as a symbol of a new era...
| Apr 23, 2014
| 8:31 AM
WASHINGTON — The last time the Pentagon tried to upgrade the president's coolest ride — the fleet of helicopters that drop him at his doorstep on the South Lawn of the White House — it didn't go well. Costs doubled. Delays sparked...