Space

Black holes about the size of a hydrogen atom could be careening through the solar system unnoticed. But their days […]

For the first time, scientists have measured a long-sought global electric field in the Earth’s atmosphere. This field, called the

As the youthful universe congealed under the pull of gravity, matter knotted itself into galaxies, galaxy clusters and filaments, weaving

Opposing fountains of plasma and particles spanning 23 million light-years are the longest pair of black hole jets ever seen.

Betelgeuse, Betelgeuse! The red supergiant that marks Orion’s left shoulder may have a tiny, unseen companion. Two independent studies found

A lucky alignment of two sun-studying spacecraft may have finally solved a decades-old solar mystery. Data from NASA’s Parker Solar

The biggest conundrum in cosmology may be closer to being solved, thanks to the James Webb Space Telescope. Scientists disagree

For the first time, astronomers have seen gas boiling and bubbling on the surface of a distant star. Scientists observed

At the age of 12, Tracy Slatyer felt sorry for a book. She read a newspaper article about how many

While SpaceX’s Starlink satellites are enabling Internet access and mobile communications around the globe, they are also posing a threat