Scientists explore new frontiers of life in talk at Washington's Nasa headquarters.
Nasa scientist Kevin Hand said the agency will find extraterrestrial life in the next 20 years.
Government plans to open space base by 2018, with the aim of it becoming hub for commercial space travel.
Three tonne object that blazed across Australian sky was from the SoyuzST-B carrier rocket.
Burst of radio waves provides new evidence of pulses coming from outer space.
July full moon to come close to Earth making it appear brighter and bigger than normal.
Huge meteorite spotted from Victoria to New South Wales in Australia.
International astronomers examined supernova SN2010jl to discover origin of cosmic dust in universe.
Astronomers discover most of the light in the universe is missing.
Scientists say a mysterious "hotspot" in space is emitting unusual numbers of powerful cosmic rays.
Buzz Aldrin says he expects humans to land on Mars within the next 20 years.
Astronauts on the space station have tweeted photos of Super Typhoon Neoguri.
Nasa's Sofia 'Flying Observatory' will enable astronomers to record infrared images of celestial bodies.
Two monster asteroids, named Ceres and Vesta, to have a close encounter in outer space.
Scientists have uncovered 'bullet' asteroid that initiated explosion of life on Earth.
Signals coming from planets orbiting dwarf star debunked by scientists.
The Space Launch System (SLS) is designed to carry Orion spacecraft and Nasa astronauts to Mars by 2021.
New Yorkers are treated to a spectacular light show as a storm hits the city.
Search for Extra-terrestrial Intelligence programme to hunt for alien life by analysing radio signals.
UFO sightings are becoming more common than ever before – here are some of the most recent sightings.
Did the Apollo 20 mission in 1976 happen, or was it just a hoax?
Prime Minister Narendra Modi says Indian Mars mission costs less than Hollywood blockbuster.
Robonaut's design has already inspired Nasa to develop the "Iron-Man" like X1 exoskeleton.
University of Surrey researchers want to send weather balloon with HD cameras up into space.
Nasa announces Low-Density Supersonic Decelerator (LDSD) test flight was a success.
Spaceman Reid Wiseman uses social media to show images of the Earth and space to followers.
Angara is designed to give a boost to Russia's space mission.
ESA's Athena Space Observatory will provide leads on formation of galaxies and galactic clusters by operating in the x-ray band of electromagnetic spectrum.
Potentially habitable Super-Earth has been discovered near red dwarf.
University of Oxford and University of Cape Town scientists have found three closely orbiting black holes.