Astronomy

There are three types of cognitive reserve that can protect against decline as we age. Columnist Helen Thomson explores the lifestyle choices that can help you build a more resilient brain – and finds that midlife is a critical time to implement them

NASA has stopped trying to revive its Lunar Trailblazer moon orbiter, which went dark a day after its Feb. 26 launch.

Infectious bird flu virus was found in milk, on equipment, within wastewater and aerosolized in the air on California dairy farms

A devastating bacterium has decimated populations of sunflower sea stars, predators that play a crucial role in their environment

We use the Navier-Stokes equations every day, for applications from building rockets to designing drugs. But sometimes they break – and we don’t know why

We use the Navier-Stokes equations every day, for applications from building rockets to designing drugs. But sometimes they break – and we don’t know why

The Japanese space-sustainability company Astroscale has unveiled a patent for what it describes as a new method for space debris removal.

Fifty-eight people have been infected—and two have died—in a New York City outbreak of Legionnaires’ disease—a severe type of pneumonia caused by a bacterium commonly associated with air-conditioning systems and cooling towers

The dashing 'Trek' veteran talks Anson's wild wig, colorful kisses, and meditating on set while directing 'the latest Star Trek: Strange New Worlds' episode.

Increasing evidence suggests chronic constipation can be a causal factor in illnesses including cardiovascular disease and cognitive impairment. So what can you do to get moving again?

Increasing evidence suggests chronic constipation can be a causal factor in illnesses including cardiovascular disease and cognitive impairment. So what can you do to get moving again?

Venus and Jupiter meet in the morning sky on Aug. 12. Catch their dazzling conjunction just before sunrise with the crescent moon joining later!

Second Lady Usha Vance hosted a special Summer Reading Challenge event at NASA’s Johnson Space Center in Houston on Aug. 4, 2025. She was joined by NASA astronaut Suni Williams to read a space-themed book to children in grades K-8 as part of her initiative to promote literacy.

Even today, the names of women in astronomy are not as well known as they should be.

The post Honoring the Women of Astronomy appeared first on Sky & Telescope.

Spurred by competition from China and Russia, the Trump administration is pushing for nuclear power on the moon by 2030

Electrons released when cosmic rays strike water-ice can provide energy for microbes and facilitate the formation of complex organic molecules.

From movie stars to moguls, test your knowledge of which celebrities have gone to the final frontier.

The Perseids are one of the most visually spectacular meteor showers of the year and are known for spawning impressive fireballs that light up the night sky.

Noah Hawley's daring exploration of the Alien universe makes for a great sci-fi TV show that asks big questions without neglecting the fun factor.

The world's largest optical telescope is still under construction but is raising the roof on its progress.