1–20 of 1,041 results
abstract shapes in grey tones

Cosmic Relief with David Grinspoon

Sending Astronauts to Venus

Crazy as it might seem, it’s a logical and thrilling prospect.

Perseid 2021

Meteors

Perseids Are Coming, Full Moon or Not

Don't use a full Moon pass to skip this year's Perseid meteor shower. Right here, right now, we're going to help you make the most of it.

Launch KPLO

Spacecraft and Space Missions

Korea's Lunar Orbiter Heads for the Moon

South Korea's lunar orbiter has launched successfully for the Moon, joining a growing number of missions there.

Hubble vs Webb comparison

Astronomy in Space with David Dickinson

Hubble's Future in the Webb Era

Even though it's far past its warranty, Hubble is still proving its worth in this new era that includes the James Webb Space Telescope.

Antares in Ophiuchus

Why We Look Up with Jennifer Willis

Summer Insomnia

Long, hot days mean sleepless nights for stargazers, but it's worth it for the magic that happens under a dark, cool sky.

Earthshine painting

Celestial Objects to Observe

Solving an Earthshine Mystery

Something we take for granted about the crescent Moon's appearance may be nothing more than an optical illusion.

Iapetus transit single

Planets

See a Rare Transit of Iapetus on July 17–18

It's tiny. It's challenging. But you won't get the chance to see Iapetus transit the globe of Saturn again until 2037!

Carina Nebula

Galaxies

What We See in the First Science Images from the James Webb Space Telescope

The James Webb Space Telescope released its first science images today. Here's what these images show us.

Why We Look Up with Jennifer Willis

Stargazing’s Lessons for Living

Can stargazing make you a better person?

Titan and Tethys

Explore the Night with Bob King

Titan Occults a Bright Star, Mira Awakens, and Comet PanSTARRS Shines

Pick one or see them all. July offers a potpourri of celestial events for both naked-eye observers and telescope users that include a rare occultation by Saturn's moon Titan, a bright comet, and Mira at maximum.

diffuse glow surrounding a bright core

Black Holes

Monstrous Black Holes Spin More Slowly — But Why?

X-ray observations add to growing evidence that the most massive black holes have a different past than their lightweight peers.

Capstone spacecraft in orbit around Moon (art)

Astronomy in Space with David Dickinson

Successful Launch of Capstone, the Lunar Gateway Pathfinder

Capstone, a small pathfinder spacecraft with a big mission, launched today to pave the way for crewed return to the Moon.

Impact Crater

Astronomy in Space with David Dickinson

Found: Booster Impact Crater on the Farside of the Moon

The Lunar Reconnaissance Orbiter mission has found the impact site created March 4th. The crater might help reveal the impactor's identity.

Dawn planet line

Explore the Night with Bob King

Solar System Gets its Ducks in a Row

We'll have not one but many opportunities to enjoy a rare lineup of the bright planets over the next few weeks. Amazingly, they'll be aligned in order of their distance from the Sun.

the broken remains of white machinery in the center of orange and grey dust

Cosmic Relief with David Grinspoon

Crash as Trash

When should we start thinking about cleaning up our space junk on Mars?

Percy

Astronomy in Space with David Dickinson

Perseverance Watches Wild Winds on Mars

NASA’s Perseverance rover is recording the windy weather in Jezero Crater, chronicling its role in making the Red Planet dusty.

Tau Herculid fireball

Explore the Night with Bob King

Tau Herculid Meteors Surprise and Delight

We touch on the highlights of the memorable Tau Herculid meteor shower and also report on the recent outburst of the recurrent nova U Scorpii.

Full Moon

Why We Look Up with Jennifer Willis

Lunaphiles, Unite!

The Moon is our most obvious and immediate celestial companion. For many stargazers, the Moon was our first astronomical love.

Big Dipper

Explore the Night with Bob King

A New Way to See the Big Dipper

Unlike most asterisms, many of the Big Dipper's stars really are physically connected. They belong to a loosely bound stellar stream called the Ursa Major Moving Cluster.

Mars InSight

Spacecraft and Space Missions

NASA's Insight Lander Detects Monster Marsquake

NASA’s Mars Insight lander witnessed the largest quake detected on another world at just the right time — as the lander begins to run low on power.

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