Scientists may finally understand the mysterious transition behind a century-old chemistry experiment involving metals.

Scientists aren't sure if space junk or a meteor caused a brilliant blue fireball seen across Western Australia.

A new calculation posits that there are 36 intelligent alien civilizations sharing the Milky Way with humanity today, but it relies on some big assumptions.

Attorney General Bill Barr attempted to downplay the clearing of peaceful protestors in Washington, D.C.

Though the issues brought up by this week's George Floyd protests run deep, there is evidence that certain policy changes can lead to less violent police departments.

The bulk of evidence suggests that face masks might help contain coronavirus, but only a little.

Amid an uncertain weather forecast, SpaceX successfully launched two NASA astronauts toward the International Space Station today (May 30).

A newly discovered HIV genome confirms the early spread of the virus.

European satellites are investigating the development of two distinct weak points within the South Atlantic Anomaly of Earth's magnetic field.

How will you know if you have the novel coronavirus that causes the COVID-19 disease? Here are the most common symptoms.

Most COVID-19 deaths are easy to diagnose, but sometimes the immediate cause of death is not so clear, leading to accusations of politically-motivated falsification of death certificates.

Oregon has confirmed 3,479 cases of COVID-19. At least 163 people are currently hospitalized with the virus in the state and 17 patients are currently on ventilators.

There are 24,800 confirmed COVID-19 cases in Ohio. At least 4,718 people with COVID-19 have been hospitalized in the state, with 1,268 of those admitted to the ICU.

Tennessee has 16,699 confirmed cases of COVID-19. Fifty-three percent of confirmed cases have recovered, and 2% have died.

Utah has confirmed 6,749 cases of COVID-19, and at least 558 people have been hospitalized with COVID-19 in the state.

Colorado has 20,475 confirmed cases of COVID-19, and at least 514 patients are currently hospitalized.

A video called "Plandemic" that is making conspiratorial claims about coronavirus contains health advice you absolutely should not follow.

Much is unknown about the coronavirus, but scientists expect infection to induce some level of immunity. Here's what we know.

A new Spinosaurus tail fossil shows that this hunter could slice through the water in pursuit of fish, becoming the first-known swimming dinosaur.

The oldest complete mammal fossil from the Southern Hemisphere is puzzling scientists with its mismatched body, strange skull holes and teeth that look like they're "from outer space."

The coronavirus started spreading within the United States in January, but chances that you have had it are probably low.

Some COVID-19 patients are presenting with silent hypoxia. Their oxygen levels are alarmingly low, but they aren't struggling to breathe.

On the USS Theodore Roosevelt, at least 585 sailors test positive for COVID-19 and one had died as a result.