As the United States exceeds 5 million reported coronavirus cases — the world’s first country to do so — epidemiologists have pinpointed what helped to set the country on this path.

By creating conditions akin to the center of the Earth inside a laboratory chamber, researchers have improved the estimate of the age of our planet’s solid inner core, putting it at 1 billion to 1.3 billion years old.

The eastern Arctic Ocean’s winter ice grew less than half as much as normal during the past decade, due to the growing influence of heat from the ocean’s interior, researchers have found.

NASA-NOAA’s Suomi NPP satellite provided forecasters with a nighttime view of Tropical Depression 13 early on Aug. 21. By 11 a.m. EDT, it had strengthened into Tropical Storm Laura.

NASA’s Terra satellite gathered infrared data on Tropical Depression 14 as it moves through the Caribbean Sea.

Sending a “selfie” to the doctor could be a cheap and simple way of detecting heart disease, according to the authors of a new study published today (Friday) in the European Heart Journal.

New simulations show that NASA’s Nancy Grace Roman Space Telescope will be able to reveal myriad rogue planets – freely floating bodies that drift through our galaxy untethered to a star. 

Solar flares emit sudden, strong bursts of electromagnetic radiation from the Sun's surface and its atmosphere, and eject plasma and energetic particles into inter-planetary space. 

Over the course of the coronavirus epidemic, COVID-19 outbreaks have hit communities across the United States.

Scientists at Scripps Research have discovered a molecule that can activate a natural immune-boosting protein called STING.