The answer to whether tiny bacterial life-forms really do exist in the clouds of Venus could be revealed once and for all by ...

If we're to land humans on Mars in the coming decades, we'll have to know what challenges await them when they get there.

Astronomers have spotted centimeter-sized “pebbles” swirling around two infant stars 450 light-years away, revealing the raw ...

The bright morning star Venus, moving quickly through Taurus, hangs in the predawn sky below the Seven Sisters open cluster.