On Thursday a group of space enthusiasts announced that they had established two-way communication with the International Sun-Earth Explorer 3 (ISEE-3), a satellite launched in 1978 and used ...

According to the Fermi Paradox, billions of Earth-like planets exist in our galaxy, yet no aliens have contacted or visited us. (Representational Image) New York: We are unlikely to hear from aliens ...

The Earth formed over 4.6 billion years ago out of a mixture of dust and gas around the young sun. It grew larger thanks to countless collisions between dust particles, asteroids, and other growing ...

The European Space Agency is struggling to restore contact with its massive satellite Envisat, the largest civilian Earth-observation satellite ever to fly in space. The troubles began on April 8, ...