Designed to hunt for new alien worlds, NASA's Transiting Exoplanet Survey Satellite (TESS) has serendipitously observed the rising outburst of a black hole X-ray binary known as AT 2019wey. The ...

Algae blooms make a pond's surface shine in mesmerizing green hues. But if the microorganisms responsible are cyanobacteria, ...

For some time, astronomers have theorized that there is a connection between planetary mass and rotation. In the solar system ...

This image captured by U.S.-Indian Earth satellite NISAR on Nov. 10, 2025, shows Washington's Mount St. Helens. The image is ...

The early universe is absolutely so far outside our understanding of how the world works it's hard to describe in words. Back ...

In about 5 to 8 billion years, our sun is expected to evolve into a white dwarf—an extremely dense, Earth-sized stellar ...

A quick heart trace taken during a warm-up trot could identify racehorses at risk of cardiac arrhythmias during ...

Animal life is extraordinarily diverse and complex, having colonized almost all environments on Earth—from hostile ...

Extreme heat kills more people in the U.S. each year than hurricanes, floods, and tornadoes combined. But how can we address ...

Insects make up to 90% of all animal species on the planet, and most of them can be found in the tropics, the regions around ...

Newly discovered fossils have given scientists their first real glimpse of when Earth made a crucial transition from plants ...

Humans have always imagined the natural world. From Ice Age cave paintings to the modern day, we depict the animals and ...