Two pilots are attempting to fly around the world in a solar powered airplane called Solar Impulse 2.
Scientists have argued that a nearby Earth-like world dismissed as 'noise' is actually a real planet.
The bleeding edge bomber remains shrouded in secrecy and its costs may be spiraling out of control.
NASA has revealed that another mysterious bright spot has been discovered on the dwarf planet's surface.
A red dwarf star is thought to have passed within one light year of our planet 70,000 years ago.
Scientists have been left scratching their heads over a 1,000km plume spotted high above the planet Mars.
A controversial new claim suggests that evidence of 'directed panspermia' has been found by scientists.
Some extrasolar planets that appear to be habitable may have lost the capacity to support life long ago.
Scientists have discovered that there is another core nestled deep within the inner core of our planet.
Scientists in Australia have determined that Earth-like planets are likely to be commonplace.
Astronomers have found a planet with rings over 200 times larger than those found around Saturn.
A solar system dating back billions of years points to the likelihood that Earth-sized worlds are common.
Astrobiologists believe that they have found evidence of alien life in our planet's atmosphere.
Evidence suggests that two planets larger than the Earth may be present in the outer solar system.
Chris O’Leary boarded a scheduled flight to New York only to find that there were no other passengers.
Scientists are experimenting with new ways to explore volcanic fissures and vents on other planets.
The newly found Kepler 438b is being hailed by astronomers as the most Earth-like world ever found.
The Indian Science Congress drew criticism this week over a lecture about 7,000-year-old airplanes.
The CIA has revealed that its secret spy plane program was responsible for countless UFO sightings.
NASA's explorary orbiter is due to go in to orbit around the enigmatic dwarf planet in March 2015.