Exoplanet tally passes 1,000

Scientists have revealed that the number of observed exoplanets - worlds circling distant stars - has passed 1,000.

From Elvis to ET! The Voyagers` extraordinary tale

Voyager 1 has become the first spacecraft to leave our neighbourhood and venture into the loneliness of interstellar space, according to data published on Thursday.

New atomic clock may `redefine the second`

A new type of atomic clock may be a more accurate way to measure time, scientists say.

Days getting ‘even longer on Venus’

Venus is spinning on its axis so slowly that, for any survivor, a day in Venus would seem interminable, as it is the equivalent of 243 days on Earth, researchers say.