To balance an unbalanced equation, you need to add numbers to the left of one or more formulae. Here is one way to work out how to do this for the reaction between nitrogen and hydrogen.

A Northwestern University-led international team of scientists has, for the first time, directly observed catalysis in-action ...

Chemists and chemical engineers at California Institute of Technology, working with a pair of colleagues from the University ...

Alex Ovechkin has finally done it. The Washington Capitals star set the NHL's goals record on Sunday with a second-period power-play tally against the New York Islanders, breaking Wayne Gretzky's ...

Reaction: Arsenal dismantle holders Real Madrid 3-0 in the Champions League quarter-final first leg with "complete performance" Declan Rice scores two incredible free-kicks in 12 minutes, as Mikel ...