Barnard's Star is a small, dim star of the type that astronomers call red dwarfs. Consequently, even though it is one of the ...

Earth is our home planet, and it's the only place in the universe where we know for certain that life exists. Earth formed over 4.5 billion years ago from a swirling cloud of gas and dust squished ...

March is here, and Mercury goes retrograde from March 14 until April 7 — the retrograde begins as the full moon and lunar ...