The heart averages 10 to 12 pounds (4.5-5.4 kg), or about 1% of the animal's body weight, compared with half a percent for ...

Dr. Tedros Adhanom Ghebreyesus declares the end of the COVID-19 pandemic, highlighting global vaccination efforts and future ...

Live updates from Sunday's early morning SpaceX Starlink 6-84 mission that launched a Falcon 9 rocket from NASA's Kennedy ...