National Aeronautics and Space Administration

An unmanned NASA spacecraft has crashed on the surface of the planet Mercury, after it ran out of fuel following a successful 11-year mission, the US space agency said April 30.

Scientists from Bulgaria, which is the third country in the world in the production of space food after Russia and the USA, have developed the first space greenhouse on Earth.

The aim of this programme is the production of space food, which does not differ from the genuine taste of food, private NOVA TV station reports.

NASA scientist Ellen Stofan gave a speech in Washington D.C. in which she said that our galaxy is comprised of two hundred million planets like ours. Thus the question is not whether scientists will discover alien life or not, but rather when, since it’s a given.

NASA's Opportunity Mars rover has become the first human-made vehicle to complete a marathon on another planet -- a feat accomplished in a record time of no less than 11 years.
      

The Milky Way galaxy may be home to billions of planets orbiting their host stars in a "habitable zone" where life could theoretically exist, researchers said Wednesday.
      

As was announced by US National Oceanic Atmospheric Administration (NOAA), two solar eruptions occurred on Sunday causing a strong geomagnetic storm on Tuesday’s earth atmosphere that could disrupt electricity and telecommunications networks.

However, according to the announcement, no problems have been reported so far.

Four identical satellites which will study the interactions between solar winds and the Earth's magnetic fields blasted off into Space on March 12 and settled into orbit begin a two-year study, NASA said.
      

Two Russian cosmonauts and an American astronaut on Thursday returned to Earth aboard a Soyuz space capsule after spending six months at the International Space Station.
      
Yelena Serova -- the first female Russian cosmonaut to have spent time on the ISS -- landed along with Alexander Samokutyaev and Barry Wilmore in snowy Kazakhstan just after sunrise.
      

Two US astronauts on March 1 stepped out on the third spacewalk to prepare the International Space Station for the arrival of more commercial spacecraft in the coming years.
      
Barry Wilmore and Terry Virts began the spacewalk at 6:52 am (1152 GMT).
      

At least 700 photographs from NASA’s “golden era” in space exploration  are being sold by Bloomsbury Auctions in London. This includes the first “selfie” taken in space, as well as a rare image of the first astronaut to ever set foot on the Moon: Neil Armstrong.