Early scientific theories—such as those explaining basic phenomena like gravity, burning, and the movement of molecules in ...

When the quark hypothesis was first proposed more than 10 years ago, there were supposed to be three kinds of quark. The ...

When LIGO detected gravitational waves unleashed from two colliding black holes for the first time in science history, it set ...

Scientists have discovered a new dinosaur from Argentina that may have used its long arms and claws to capture prey.