A Soviet-era spacecraft meant to land on Venus in the 1970s is expected to soon plunge uncontrolled back to Earth ...

At the time of the Big Bang, the universe contained only the lightest elements: hydrogen, helium, and a dash of lithium.

Joking about it, some people online wondered if we could use this slow-down to get an extra long weekend or joked that "we ...

Hello, Eos! Recently discovered molecular cloud is believed to be one of the largest structures in the sky and among the closest to Earth and the sun.

If the object really is Planet Nine, it would be larger than Neptune and exist 700 times further from the sun than Earth.