According to a new theory, we won't be meeting aliens in this lifetime.
Scientists have discovered chiral molecules in interstellar space that can throw more light on the origin of life on our planet.
See the video of an unidentified flying object crossing near Jupiter, which has been interpreted as a huge alien spaceship.
Around-the-world atmospheric mission of NASA is set for a preview on July 7 at the Armstrong Fligh Research Center in Palmdale, California.
The Cassini spacecraft recently sent back images of Saturn that show a strange disturbance in its F ring.
An extinct meteorite that does not fall on the Earth anymore may have been discovered.
Asymmetric molecule crucial to life on Earth has been discovered by scientists in a vast cloud of gas and dust near the Milky Way galaxy.
Young, small and faint stars can have a negative effect on the formation of would-be planets.
Carbon nanotube would not be enough to build a space elevator.
A possible planet has been captured by the Very Large Telescope of the European Southern Observatory in Chile.
A planet-devouring star has been found with possible limestone debris and fossil marine life on Earth.