Meteorites are ambiguous. As shooting stars they are messengers of good luck. But as massive missiles they spread fear of death and destruction. In the planet’s history, there have been numerous impacts with cataclysmic consequences.
February 15th 2013, a meteorite exploded in the earth’s atmosphere above the Russia.
ALMA is the biggest observatory ever and it takes space observation to new heights.
You're probably not as clever as the Professor, but maybe you know a thing or two.
There are 8 planets orbiting the sun. Or was it 9?
Earlier human exploration provides key lessons for mankind’s future direction in space.
In recent decades, technology has allowed us to move beyond pure speculation about aliens.
Joe Kittinger once held the record for the highest freefall jump.
Orbit - Earth's Extraordinary Journey brings the wonder of our planet to your living room.
The twentieth century dawned the age of space exploration.