Brandon Specktor

A powerful solar outburst is likely to trigger a "severe" geomagnetic storm on Thursday, with auroras potentially visible as far south as California and Alabama, NOAA predicts.

The James Webb Space Telescope may have found dozens of elusive brown dwarfs — strange objects larger than planets but smaller than stars — beyond the Milky Way for the first time ever.

NASA lost contact with the interstellar Voyager 1 spacecraft for nearly a week after a technical glitch shut off the probe's main transmitter. Using Voyager's weaker backup transmitter, engineers are assessing the problem from 15 billion miles away.

Astronomers using the James Webb Space Telescope have spotted a feeding black hole in the early universe that seems to be eating 40 times faster than is theoretically possible.

An outburst of solar energy looks primed to hit Earth on Thursday, potentially bringing auroras to the northern U.S. on Thanksgiving and Black Friday.

Scientists have been searching for evidence of extraterrestrial life for decades. So, where are all the aliens? Here are 12 intriguing theories...

From the mysterious Planet Nine to the prospect of a "human-caused meteor shower," space and physics editor Brandon Specktor lists his favorite stories of 2024.

From impressive moon missions to unbelievable auroras, 2024 was a year that got many of us looking up. How well do you remember the year's top space news stories?

From solar storms to "shooting stars" over Stonehenge, here are our top 10 favorite space photos of 2024 — and what they told us about our beautiful cosmos.

The enormous near-Earth asteroid (887) Alinda has made its closest approach to our planet in decades, and it's about to peak in brightness in a rare once-in-a-decade event. Here's how to watch it live this weekend.