Astronomy

American mogul Dennis Tito made his dream come true in 2001 and spent a week on the International Space Station.

A forced landing of the Beresheet probe appears to have scattered tardigrades, microscopic animals capable of withstanding the extreme conditions of the universe, across the lunar surface.

Astronomy Dictionary.

British astronomer Edmund Halley was the first to calculate the orbit of a comet and discover the periodicity of these celestial bodies. The comet they studied, named "Halley" in his honor, last visited us in 1986. And it will return in 2062.

"This is a small step for man, a great leap for humanity."

The Hubble constant, which measures the speed at which galaxies are moving away from each other, does not yet have a universal value. A recently published study gives a new value to the constant.

During space missions, astronauts have to eat, but building a space kitchen was not an easy challenge.

Most of the American flags left by astronauts from the Apollo missions on the Moon four decades ago still remain anchored to its surface.