Hubble reveals fascinating new details about Pluto's four smaller moons - Styx, Nix, Kerberos and Hydra.

Eight months after Virgin Galactic's spaceplane crashed in the Californian desert killing one of the pilots, his British colleague has talked exclusively to the BBC about the accident.

For the first time, a Virgin Galactic pilot speaks to the media about the day one of its ships crashed last October.

Scientists discover seven new species of tiny frog living on seven different mountains in south-eastern Brazil.

US researchers say new evidence casts doubt on the idea that global warming has "slowed" in recent years.

US researchers claim to have developed a single test that is able to identify past exposure to every known human virus infection, using a single drop of blood.