41–60 of 5,207 results
Epsilon Aurigae model

Stellar Science

The Giant Star That "Blinked"

Astronomers are trying to understand why a giant star "blinked," fading almost completely before brightening again over the course of about 200 days.

Temple of the Moon

Eclipses

Plan Ahead for the 2023 Annular Solar Eclipse — and a Visit to Dark Sky Parks

If today’s solar eclipse has you wondering when the next one will cross the continent, start planning now for a stellar trip around October 14, 2023.

Venus and Mars in the western twilight, June 21, 2021

Celestial News & Events

This Week's Sky at a Glance, June 18 – 26

Summer begins. The Honey Moon poses with Spica, Scorpius, and the Teapot as it waxes from gibbous through full this week. Venus lines up, briefly, with Castor and Pollux

Psyche

Solar System

Iron Volcanos: Maybe Not Science Fiction After All

A new study of asteroid 16 Psyche suggests that ferrovolcanism, volcanoes that spewed molten iron, might have been present on this object.

M56 globular

Night Sky Sights

Summer Nights Offer Splendid Sights in Lyra

Lyra, the Lyre, offers a wonderful assortment of double stars and deep-sky objects to keep you up at night. Break out your binoculars and telescope and join me for a summertime ramble.

Cosmology

Twisters in the Cosmic Web

Astronomers have found that the largest structures in the universe spin, making twister-like strings of galaxies and dark matter in the cosmic web.

two colorful radio gets stream out either side of a central, invisible point

Galaxies

From Starving Black Holes to Warped Galaxies

Hot topics from the American Astronomical Society summer meeting range from colliding galaxies, to warped galaxies, to starving black holes.

wo spiral galaxies appear as light colored swirls on either side of an orange star.

Galaxies

Astronomers Look into the Past of Local Dwarf Galaxies

A combination of simulations and observations indicates that galaxies like the Large Magellanic Cloud control when punier dwarfs plunge into large galaxies.

Zhurong selfie

Spacecraft and Space Missions

China’s Zhurong Rover Snaps Selfie on Mars

China's Zhurong rover gets to work exploring Mars, with a new panorama of its landing site.

Red nova

Variable Stars

Bright Nova in Hercules on a Roller Coaster Ride

A new bright nova discovered in Hercules at 8th magnitude briefly rose to naked-eye visibility. It's currently easily visible in a pair of binoculars.

CHIME

Stellar Science

Number of Known Mysterious Radio Flashes Nearly Quadruples

The CHIME telescope has released its first catalog with 492 unique sources of fast radio bursts, the brief flashes of radio waves that have been intriguing astronomers over the past decade.

Celestial News & Events

Chasing the Sun at 39,000 Feet

Sky & Telescope's annular-eclipse flight chased down the "ring of fire" eclipse in the skies above Canada for breathtaking views.

Moon, Mars, Venus in twilight, June 11-12, 2021

Celestial News & Events

This Week's Sky at a Glance, June 11 – 19

The crescent Moon passes Venus, Pollux, Castor, and Mars in the evening twilight. The Big Dipper hangs down; the Little Dipper floats up. And greet the "Betelgeuse of summer."

Galaxies

Not All Star-forming Clouds Are The Same

Astronomers have created the first high-resolution maps of the big, dense gas clouds that form stars within galaxies.

Annular eclipse

Celestial News & Events

A Sunrise Annular Solar Eclipse

Even if you're not in the path of annularity during the June 10th solar eclipse, get ready for a sunrise spectacle.

Venus

Solar System

We're Heading to Venus! NASA Selects Discovery-class Missions

After a hiatus of several decades, NASA is about to return to Venus in a big way.

Mars, Pollux, Castor in twilight, early June 2021

This Week's Sky At a Glance

This Week's Sky at a Glance, June 4 – 12

Pollux and Castor slide down past Mars in the west, while Venus, shining brightly below, tries to hog attention. On the other side of the sky, the enormous arch of the Milky Way hoves into view after dark behind the Summer Triangle.

Neutron star mergers produce r-process elements

Stellar Science

Metal-poor Stars Shed Light on the Origin of Gold

Explosions of massive stars might have produced gold and other rare heavy elements observed in metal-poor stars in our galaxy’s halo.

Astronomy & Observing News

Orion Telescopes & Binoculars Purchases Meade Instruments

Orion Telescopes & Binoculars has acquired the famous telescope manufacturer Meade.

Moon Venus Mars on June 11-13, 2021

Sky Tour Astronomy Podcast

June: Solar Eclipse & Colorful Stars

June features long days and short nights in the Northern Hemisphere, so download our narrated Sky Tour astronomy podcast to make the most of the abbreviated dark hours after sunset. Special event: a partial solar eclipse on June 10th!

Advertisement
Advertisement
Advertisement
Advertisement