NASA has selected four astronauts to train and prepare for commercial spaceflights that will return American launches to U.S. soil and further open up low-Earth orbit transportation to the private sector.
If a NASA experimental program pans out, the first aircraft on Mars could be a flying wing. Under development at NASA Armstrong, the Prandtl–m is a flying wing glider designed to fly piggyback with a future Mars rover mission to provide low-altitude
"Earth's rotation is gradually slowing down a bit, so leap seconds are a way to account for that," said Daniel MacMillan of NASA's Goddard Space Flight Center in Greenbelt, Md. Strictly speaking, a day lasts 86,400 seconds.
The sun emitted a mid-level solar flare, an M6.6-class, peaking at 11:32 pm EDT on Oct. 28, 2014 – the latest in a series of substantial flares from a giant active region on the sun
The Google Lunar XPRIZE (GLXP) is an inducement prize space competition organized by the X Prize Foundation, and sponsored by Google. The challenge calls for privately-funded spaceflight teams to compete to successfully la
Concerns about climate change, rising pollution from fossil fuels and to meet the ever increasing demand of power supply require increasing use of renewable energy in coming years.