The absence of gravity means that astronauts grow several centimetres during a space mission. This is because the…
Have you ever thought about going on a voyage around the world? This is what ESA astronaut Thomas…
Saturn’s moon Titan is one of the largest and most fascinating satellites in the Solar System. Unfortunately, its…
The world’s heaviest communications satellite was placed into orbit on 11 August 2005 by Europe’s Ariane 5. The…
The next important step in Europe’s human spaceflight programme began on 4 July when the 115th space shuttle…
400 km above our heads, travelling at 7.7 km per second, is the largest object ever put in…
Most science fiction stories have aliens with two eyes, two arms and two legs. However, life can evolve…
The tallest astronaut to fly in space was American Jim Wetherbee, who was 1.93 m (6 feet 4…
Have you ever wondered what it would be like to land on an alien world more than 1.2…
To celebrate Europe Day, ESA is offering you a chance to win a poster showing Europe as seen…
Scientists have known for decades about many huge lakes that hide beneath the frozen wastes of Antarctica. However,…
Venus, the second planet from the Sun, is about to receive its first European visitor. On 11 April,…
Flooding is more common and widespread than any other natural disaster. During the last decade, floods have affected…
Despite its name, Greenland is almost entirely covered by a huge sheet of ice. However, data from several…
Amateur radio buffs and students around the world are getting ready to tune in to signals from one…
Venus is the second planet from the Sun, so it is always fairly close to the Sun in…
Neptune was discovered in 1846 by Johann Galle, an astronomer at the Berlin Observatory. Galle knew where to…
Pluto was discovered in 1930 by 24 year-old Clyde Tombaugh, who was using a special machine to compare…
Mercury is the first planet from the Sun. It is not very easy to observe since it is…
Modern telescopes have revealed hundreds of icy objects beyond the orbit of Neptune, in a region known as…