Photocatalysis involves three fundamental steps: light absorption, charge separation and transfer, and chemical reactions.

Aquino's downtown Los Angeles court arraignment was continued Tuesday afternoon. He is being held on zero bail.

Prosecutors have dropped a charge against a man who Republican Rep. Nancy Mace claimed “physically accosted” her in December, ...

A youth soccer coach who was reportedly questioned in the death of one of his teen players, was arrested on a separate sexual ...

Governments from across the world are gathering in London this week to thrash out a landmark global carbon charge for the ...

Weeks before the music mogul is scheduled to stand trial, prosecutors added a more serious charge involving a woman they ...

Thailand authorities have summoned American academic Paul Chambers to face charges of "insulting or showing malice towards ...