An international team of scientists have unlocked a key piece of Earth's evolutionary puzzle by decoding the structure of a ...

GOP holdouts complicate advancing the package out of the House Budget Committee. ABC News’ Stephanie Ramos spoke with Hofstra University law professor James Sample about how the justices ...

A coalition of 15 states is suing over President Donald Trump's efforts to fast-track energy-related projects, saying the administration is bypassing environmental protection laws and threatening ...