The Orbital Sciences Corporation Antares rocket, with the Cygnus spacecraft onboard, explodes moments after launch from the Nasa’s Wallops flight facility in Virginia. Photograph: Joel Kowsky/AP Photo/Nasa

Authorities today started investigating what caused an unmanned US supply rocket to explode in a fireball moments after lift-off from a Virginia launc(...)

The United Launch Alliance Delta IV Heavy rocket in preparation for the first flight test of Nasa’s new Orion spacecraft at Cape Canaveral Air Force Station, Florida. Photograph: Mike Brown/Reuters

People are being invited to sign up for a free “boarding pass” for trips into space. The plan is to start small with orbital flights but will later in(...)

New earth-sized planet discovered - this  photo issued by NASA gives an artist’s impression of Kepler-186f Photograph: Danielle Futselaar/PA Wire

Astronomers have discovered the first earth-sized planet orbiting a distant star that could potentially have liquid water on its surface. It or(...)

Map of Matter in the Universe: This full-sky map from the Planck mission shows matter between Earth and the edge of the observable universe. Regions with less mass show up as lighter areas while regions with more mass are darker. The grayed-out areas are where light from our own galaxy was too bright, blocking Planck's ability to map the more distant matter.Credit: ESA/NASA/JPL-Caltech

Dick Ahlstrom The universe was born about 100 million years earlier than previously estimated, according to scientists analysing new imag(...)

DICK AHLSTROM Science Editor Dust drilled from a Martian rock confirms that conditions on the Red Planet once included all the ingredient(...)

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