A large planet has been spotted orbiting a dwarf star that is just 3 million years old, offering possible clues to how the ...

The team's hypothesis calls for a temporary ring around Earth, which would explain why impacts were constrained to a ...

Astronomers have discovered an Earth-like planet orbiting a white dwarf 4,000 light years away, raising questions about Earth ...

In recent years, astronomers have developed techniques to measure the metal content of stars with extreme accuracy.

Imagine a place so vast and surreal that it feels like another planet. That’s Boszhira Valley in Kazakhstan’s Mangystau ...

Scientists have calculated the Earth to be 4.54 billion years old, with an uncertainty of 50 million years on either side.

Japanese researchers developed a model to simulate early Earth's atmosphere, revealing how UV radiation and hydrocarbons ...

Earth's "second moon" won't be sticking around for Thanksgiving, but just as many of us will on Thursday (Nov. 28), it seems ...