The US death toll due to COVID-19 surpassed the 400,000 mark on Tuesday.

Physicist Stephen Hawking said pollution coupled with human greed and stupidity were the biggest threats to humanity.

Johnson & Johnson's one-dose coronavirus vaccine performed well in its recent trial.

Jim Bridenstine leads NASA, America's preeminent scientific agency, tasked with exploring outer space.

Research has found that early trauma can lead to “limbic scarring” on the brain.

Republican Senator Susan Collins has killed the latest Republican attempt to repeal and replace the Affordable Care Act.

Brain activity in transgender people resembles the brain activity of their gender identity, rather than their sex.

Today on Twitter, a woman accused conservative actor James Woods of attempting to pick her up when she and her friend were minors.