How to See the Partial Lunar Eclipse and Blood Moon on August 27

The eclipse will obscure about 93 percent of the moon’s surface. Here are the peak times and tips for the best viewing experience.

NASA’s New Space Telescope Is Poised to Discover Hidden Facets of the Universe

The Nancy Grace Roman Space Telescope is expected to discover as many as 200,000 new planets and reveal details about the elusive nature of dark matter and dark energy.

NASA Cancels Its Rescue Mission for the Aging Swift Telescope

The LINK probe was supposed to use robotic arms to capture Swift and lift it into a safe orbit. Problems with its control system forced NASA to call off the attempt.

The Galaxy’s Fastest Star Could Reveal the Secrets of a Supermassive Black Hole

S301 passes close to Sagittarius A*—so close that its orbit could reveal how the black hole’s rotation warps the spacetime around it.

Astronomers Discover the Existence of a Black Hole Star

An object observed by the James Webb Space Telescope lends credence to a strange explanation for the mysterious red spots in the early universe.

It’s Never Too Early to Start Planning for the Next Two Solar Eclipses

In 2027 and 2028, there will be two spectacular, long-duration solar eclipses. Here’s what you need to know about them.

Inside the Experimental Traps Scientists Set for Ghostly Neutrinos

Observatories have been built in mines, deep under the Antarctic ice sheet, and elsewhere in an effort to detect the fleeting particles.

How and When to View the Perseid Meteor Shower (August 2026)

The Perseids will peak between August 12 and 13. Here’s what time—and where—you can get the best view, and why 2026 will be an exceptional year.

Space Agencies Are Trying to Keep Astronauts From Losing Their Sight

A device currently being used to help octogenarians do self-administered eye exams could be part of future space missions to monitor astronauts’ ocular health.

The Sharpest Image Ever Taken of the Sun Reveals a Hidden Phenomenon

The photograph, taken in visible light, made it possible to observe for the first time the tiny plasma vortices that had been predicted for more than a century.