241–260 of 1,387 results
Chandrayaan 3

Astronomy in Space with David Dickinson

India’s Chandrayaan 3 Lands on the Moon; Russia's Luna 25 Crashes

In a first, India’s Chandrayaan 3 soft-lands in the lunar south pole region of the Moon.

dark hole surrounded by hot disk of swirling gas and shooting out a jet from its rotation axis

The Black Hole Files with Camille Carlisle

Black Hole May Have Formed by Direct Collapse

Astronomers may have spotted a supermassive black hole in the early universe that formed when a gargantuan gas cloud imploded.

a sun setting behind a tall pointed building and trees

Cosmic Relief with David Grinspoon

Seeing Through the Smoke

The near-term haze of climate disasters obscures our possible futures. But long-term trends leave room for optimism.

2016 Perseids

Explore the Night with Bob King

Get Ready for a Great Perseid Meteor Shower

The Perseids are here! With no Moon to spoil the show it's time to break out the lawn chairs, sit back, and watch the comet dust fly.

Astronomy in Space with David Dickinson

Russia Heads for the Moon for the First Time Since 1976

The launch of Russia’s Luna 25 lander heralds the nation’s return to lunar and planetary exploration.

Chandrayaan 3

Astronomy in Space with David Dickinson

India's Chandrayaan 3 Reaches for the Moon (Updates with Video)

India is headed back to the Moon with its ambitious new Chandrayaan 3 mission.

Voyager 2

Astronomy in Space with David Dickinson

Contact Briefly Lost with Voyager 2

NASA detected a faint "heartbeat" signal from Voyager 2, after an erroneous command caused the spacecraft to lose contact with Earth.

Photo of Delphinus constellation

Why We Look Up with Jennifer Willis

Taking Deep Breaths of Starlight

Amateur astronomy need not be a race through an astronomical task list, but rather a kindling of joy.

Venus July 24, 2023

Explore the Night with Bob King

View the Thin Crescent of Venus

With Venus approaching inferior conjunction in August here's a foolproof way to follow its thinning crescent as the planet transitions from Evening Star to Morning Star.

12P/Pons-Brooks evolution

Explore the Night with Bob King

See Comet 12P/Pons-Brooks in Outburst!

Comet Pons-Brooks, a dim comet on its way to a great apparition next spring, suddenly sprang into action overnight, brightening by five magnitudes. Now you can see it in a 4-inch telescope.

Nova Persei expansion

Explore the Night with Bob King

Time-lapse Animations Reveal a Universe in Transformation

Deep-sky objects may appear static throughout our lifetime but by carefully "blinking" archival and current images we can discern real changes in their appearance.

Cities at night collage

Why We Look Up with Jennifer Willis

Let There Be Dark

Fighting light pollution, one mini star party at a time.

Astronomy in Space with David Dickinson

Euclid Space Telescope Launches to Explore Dark Energy, Dark Matter

The European Space Agency’s new space telescope promises to unlock a key mystery of modern cosmology.

Captured globulars

Explore the Night with Bob King

See Summer's Best “Gobbled” Globulars

Mergers between the Milky Way and long-ago dwarf galaxies have enriched our skies with dozens of iconic globular clusters. Many are visible in small telescopes.

Mercury

Astronomy in Space with David Dickinson

BepiColombo Mission Makes Third Mercury Flyby

The Mercury-bound BepiColombo Mission made its third flyby past the solar system’s innermost world on June 19th.

a large orb that is mostly off white with dark red on the bottom left corner that creeps up towards the middle

Cosmic Relief with David Grinspoon

Long Time Coming

Planetary exploration can take up a large portion of one’s life.

Smoky sun

Explore the Night with Bob King

Eking Out Observing from under Wildfire Smoke

Smoke from Canadian wildfires has made observing the night sky a challenge for many. Here are some ways you can make the best of a bad situation.

Supernova 2023ixf in M101

Why We Look Up with Jennifer Willis

Confessions of a Photon Snob: Going Robotic

When visual astronomy isn't possible — or even when it is — robotic telescopes can make way for more stargazing.

Moonrise refraction

Explore the Night with Bob King

Find a Horizon and Savor the Bending of Light

The full Strawberry Moon on June 3rd invites us to experience the refractive power of Earth's atmosphere.

MBR mission

Astronomy in Space with David Dickinson

United Arab Emirates Announces New Mission to the Asteroid Belt

An ambitious new mission from the United Arab Emirates would fly closely and speedily by seven main-belt asteroids.