Space News & Blog Articles

The first stars are too faint and far away to detect directly, but their gaseous remains can be seen absorbing the light of distant galaxies.

Big, macho Venus is closing in on wimpy little Mars in the western sky at dusk. Venus says hi to M35 on the way. In early dawn, the waning Moon guides the way to Saturn.

The Sun has recently experienced an uptick in activity, with lots of sunspots accompanied by flares, coronal mass ejections, and visible auroras — but experts still expect a mild solar cycle.

For the first time, astronomers have witnessed a star eat an exoplanet.

Common handheld magnets can erase crucial data in ancient meteorites.

When clouds get in your way, you may find consolation in knowing that the universe is still out there, waiting for your to discover it.

Astronomers analyzed the gravitationally lensed image of a distant galaxy to test the nature of dark matter.

This month’s episode takes you on a guided tour of the key stars and planets that you’ll see on May evenings — a fun and informative way to introduce yourself to the nighttime sky!

Scientists are refining the definition of the habitable zone in an effort to aid future efforts at finding life.

On Saturday, April 29, 2023, come out and celebrate Astronomy Day! Here are some easy ways that you can explore the sky.

The Arch of Spring enfolds Mars and Venus across the west. Wintry Sirius nears its heliacal setting low in the southwest, while the Summer Triangle stars come into view one by one in the east.

When the Moon’s shadow swept across Earth on April 20th, tens of thousands traveled to Australia, Timor-Leste, and Indonesia to witness the celestial spectacle.

For the first time, astronomers have seen how the big plasma jet shot out by a supermassive black hole connects to the material falling into the black hole.

The Hakuto R lander, built by Tokyo-based iSpace, was to be a commercial mission to the Moon, but it has yet to phone home on landing day.

The Moon hops past Venus and then Mars. Hydra snakes up, the Pointers point down, and the Arch of Spring spans the west.

Last March, S&T editor Diana Hannikainen accompanied a group of stargazers to the islands of Hawai'i on an astronomical adventure.

We have an exciting week ahead with a crescent Moon that might break your observing record followed by a well-timed Lyrid meteor shower.

A new analysis of Event Horizon Telescope data sharpens our view of the glowing gas encircling the black hole.

A citizen-science project aims to broadcast the eclipses coming up this year and next.

The most distant pair of supermassive black holes discovered offers a unique insight into how galaxies merge.

Don’t disbelieve the hype: New evidence for active volcanic vents on our sister planet is convincing.