Now, the work-energy principle says that in order to change the energy of a system, you need to add energy to (or remove ...

First detected in 2015, gravitational waves may not have had a direct hand in human evolution, but it certainly helped set ...

Lunar exploration is entering a new era. Long after the Apollo missions, a renewed international interest comes with ...

If all potentially recyclable copper scrap was recycled, energy consumption associated with copper production would decrease by 15% with alloy scrap as the largest contributor. Further energy benefits ...

Dark matter is more than five times as abundant as all the visible matter in the universe. So why can't we see any of it?