SCIENCE

Astrophysicists say extraterrestrial observers may have spotted Earth as it passed in front of the Sun.

The emergency will last 60 days during which time a clean-up is being conducted.

World waits for hatching after aquatic salamander, which can live for 100 years, lays 55 eggs at popular tourist site

Water conservation in Utah is not preventing Great Salt Lake from diminishing, as surface level drops 11 feet.

Hundreds of chickens and ducks found drained of their blood with only clue a four-toed footprint.

Glowee's bioluminescent lighting hopes to bring naturally-produced light to French retail stores in 2017.

First evidence of chimpanzees creating a kind of shrine indicating sacred trees?

Panda managed to fend for himself this winter in Shaanxi Province, munching through 50kg of bamboo every day.

Aldrin and Brian Cox discussed manned mission to Mars at London's Science Museum.

More starving pups are dying before they strike out on their own due to lower fish stocks and warmer seas.

Students and archaeologists at Harvard are using the latest technology to stroll around the Giza pyramids.

Sex lives of ancient Romans is revealed in a new BBC documentary, Pompeii: Life Before Death.

'Super-recognisers' have extraordinary memories that can spot criminals from even the grainiest images.

Moseley discovered the atomic number which measures how many protons elements have.

Astronauts can expect a number of physical changes to their body when working on ISS.

Archaeologists have discovered an 11,000-year-old engraved pendant, thought to be the earliest known Mesolithic art in Britain.

From phone calls with Obama to the first flower to bloom in space – Kelly's best moments.

We take it for granted that time always moves forward - but does it?

What would we have to do if we were to move to another planet?

Archaeologists have for the first time discovered textiles dating from the era of Biblical kings.

United Nations science report warns several species of pollinators are getting quite close to extinction.

Some of the tigers have already been removed, after it was heard that the temple mistreats them.

After 340 days in Scott Kelly returns to Earth. Watch him leave the ISS live online.

Male sand martin birds observed trying to have sex with a dead male they thought was female.

Kelly said the ISS is a 'magical' place but that he'll be glad to get back to Earth.

Some of the incredible, beautiful images of Earth from space taken by astronaut which he posted on social media.

Mauna Loa volcano has been in a state of unrest for almost three years.

The marsupial had not been seen since 1989 but a roadkill discovery means there could still be more out there.

Wildflowers have transformed the park's arid landscape into a floral paradise.