Professor K.T. Ramesh's How to Stop an Asteroid course introduces first-year Johns Hopkins undergrads to both the engineering ...

Discover the science behind diodes — the tiny components that control the flow of electricity. Learn how they let current ...

How a Finnish physicist named Karl Lemström once became obsessed with recreating the aurora borealis from scratch – and may ...

President Trump and Republicans in Congress last week ignored Gov. Gavin Newsom's requests for fire aid. Newsom has been ...

A new equation calculates how many fragments of each size will be produced when an object breaks. The principle could help ...