WASHINGTON (AP) — President Donald Trump said he is serious about wanting Canada to become the 51st state in an interview ...

A recent study investigates how polyester microdroplets, potential precursors to modern cells, could form under realistic early Earth conditions. Researchers pushed these conditions to the limits, ...

Roughly 4.6 billion years ago, the Sun was born from the gas and dust of a nebula that underwent gravitational collapse. The ...