Space News & Blog Articles

A partial eclipse — Eclipse Lite, if you will — can also offer a sense of wonder, albeit on a smaller scale than totality.

The Harvard College Observatory's glass plates, which record a century of changes in the sky, has now been converted into digital form.

Newly detected stellar aggregations in the Milky Way could be the remnants of protogalaxies from its formation — or just resonances with the galaxy's bar.

On this April 1st, astronomers reveal fascinating discoveries inspired by astrology, pasta, Star Wars, and flamingos.

April’s evening skies offer plenty of stars to check out. However, aside from Jupiter low in the west, planets are in short supply. Our latest Sky Tour podcast helps you track down Mars, Saturn, and much during April’s pleasant nights.

What? You say you're bored? The evening sky is moonless, the two Dog Stars align vertically, the Big Dipper dumps into the Little Dipper, and the Springs of the Gazelle cross the zenith.

NASA budget constraints could wind down operations of the iconic Chandra X-Ray Observatory.

For the April 8th eclipse, mobile apps offer everything from weather forecasts to local circumstances. Here's a review of eclipse apps that you might find useful on the big day.

The much-anticipated April 8th total solar eclipse is finally here!

Most of our time will be focused on Sun during the minutes of totality on April 8th, but consider tearing yourself away for a few seconds to put it all in context.

Astronomers have detected twisted, orderly magnetic fields near the event horizon of Sagittarius A*.

Whether the Sun will become a dented ball or an eerie crescent of fire, a celestial shadow show awaits you anywhere in North and Central America.

The Milky Way recycles gas from dying stars to make new ones — but new observations show pristine gas also comes in from outside our galaxy.

A solar-imaging instrument will fly on a high-altitude aircraft to explore infrared emission from the Sun’s corona.

The full Moon goes through a penumbral eclipse. Comet Pons-Brooks nears its best viewing after dusk. As Mercury fades in the sunset, Jupiter becomes the only easy planet in the entire sky.

Ejections of solar material are increasingly commonplace as the Sun’s activity ramps up. Here’s what to expect if an eruption occurs on eclipse day.

Astronomers have used the Webb telescope to observe Cepheid variable stars, ruling out one source of the prevailing "Hubble tension.”

Scientists have identified a colossal volcano on Mars using satellite imagery. It was undetected for decades due to extensive erosion.

El experto en meteorología de eclipses, Jay Anderson, comparte los pronósticos a largo plazo para el día del eclipse, así como instrucciones sobre cómo consultar las previsiones del tiempo a medida que el 8 de abril se acerque.

Get to know the stars of Carina constellation — and learn how to spot the False Cross instead of being fooled by it!

Mercury emerges in the sunset, far lower right of brighter Jupiter. And don't just arc to Arcturus and speed to Spica — continue the curve to Corvus, cruise to Capella, and more.