Scientists have discovered the world's largest bacterium.

World swimming’s governing body has effectively banned transgender women from competing in women’s events, starting Monday.

The Environmental Protection Agency is warning that two nonstick and stain-resistant compounds found in drinking water are more dangerous than previously thought and pose health risks even at levels so low they cannot currently be detected.

The Environmental Protection Agency is warning that two nonstick and stain-resistant compounds found in drinking water are more dangerous than previously thought and pose health risks even at levels so low they cannot currently be detected.

Three scientists won the Nobel Prize for physics on Tuesday for work that found order in seeming disorder.

Albert Bourla, chairman and chief executive of global pharmaceutical giant Pfizer Inc., was awarded on Wednesday the prestigious Genesis Prize.

Teams working on two continents have marked similar milestones in their respective efforts to tap an energy source key to the fight against climate change.

Scientists in France devised a new method to uncover the original writing in censored love letters written by Marie Antoinette to her rumored lover.

The European Space Agency released a trove of data Monday on almost 2 billion stars in the Milky Way.

Even in the relatively small, wealthy Mideast nation of Israel — an early global leader against the coronavirus pandemic — the omicron variant is outpacing the government's ability to make and execute clear pandemic public policy.