881–900 of 1,386 results
Venus over Lake Superior

Explore the Night with Bob King

Watch Venus and Uranus Double Up Beneath a Comet

Following an occultation of Rho Leonis by the Moon, watch Venus and Uranus pair up in a weekend conjunction just 10° from Comet ER61 PanSTARRS.

ESA ExoMars 2016

Astronomy in Space with David Dickinson

New Clues on Fate of Schiaparelli Mars Lander

The European Space Agency has released its investigation into the crash of the Schiaparelli Mars lander in October 2016.

5th Jupiter flash on record

Explore the Night with Bob King

New Impact Flash Seen on Jupiter

Flash! A comet or asteroid fragment whacked Jupiter on May 26th. It's the sixth time that observers on Earth have witnessed an impact on the giant planet.

Jupiter white spot

Astronomy in Space with David Dickinson

Juno: Surprises in First Science Results

From its dynamic atmosphere to its hidden depths, the Juno spacecraft has Jupiter as never before — surprising NASA scientists with unexpected complexity.

Explore the Night with Bob King

The Summer Triangle Makes its Midnight Debut

Stay up late and you'll see the return of one of the sky's most familiar asterisms, the Summer Triangle. Firefly nights under the arch of the summertime Milky Way will soon be here.

Cosmic Relief with David Grinspoon

Not Venus Again

Once more, NASA leaves our sister planet out of the mix of new missions. Ouch.

Astronomy Travel

Road Tripping Space: Visiting Meteorites in Africa

Traveling through space can be a bumpy ride! Join Govert Schilling on a scenic road trip across southern Africa filled with craters and meteorites.

Explore the Night with Bob King

Gobs of Globs — Tour 16 Spring Globular Clusters

Chandeliers of the galaxy, these distant stellar swarms fire our sense of wonder. Hop on and we'll tour 16 of season's finest!

Explore the Night with Bob King

Bright Supernova Discovered in "Fireworks Galaxy" NGC 6946

A brand new supernova in NGC 6946 is bright enough to see in modest-sized telescopes. Here's how to find it.

2014 JO25

Astronomy in Space with David Dickinson

Amazing New Views of Near-Earth Asteroid

Large asteroid 2014 JO25 cruised past Earth on April 19, and Goldstone and Arecibo radars were at the ready to capture what turned out to be yet another twin-lobed asteroid.

Explore the Night with Bob King

Watch Comet Johnson Sprint Through Boötes

Another binocular comet? You better believe it. Comet Johnson takes center stage at nightfall this month and next.

Cassini Grand Finale

Astronomy in Space with David Dickinson

Cassini Traverses "Big Empty" on First Grand Finale Pass

The Grand Finale is underway, as NASA's Cassini spacecraft sails through a clear gap between Saturn and its rings.

Astrophotography with Jerry Lodriguss

How to Remove Light Pollution from Your Astro Images

Find out how to remove light pollution from your astrophotos so you can have dark skies instead of red-brown ones.

Cassini Grand Finale

Astronomy in Space with David Dickinson

Cassini Survives First "Grand Finale" Dive

Cassini's Grand Finale has begun, as the spacecraft threaded the needle between Saturn and its rings, following several fantastic moon passes and a final glance back at Earth.

Explore the Night with Bob King

Sneezing at the Full Moon

Pollen's no friend of the allergy-prone, but there's an upside to your itchy eyes — weird and colorful coronas around the Moon and Sun.

Explore the Night with Bob King

Are You Ready, Willing, and Abell?

A cosmic rabbit hole in the tail of Leo will take you to Abell 1367, a wonderland of galaxies more than 300 million light-years from Earth. Step in and lose yourself in the vastness.

LISA Pathfinder

Astronomy in Space with David Dickinson

LISA Pathfinder: From Gravitational Waves to Space Dust

LISA Pathfinder, the technology testbed mission for a future gravitational-wave detector, turns out to be a surprisingly good micrometeoroid hunter.

LHS 1140 b

Astronomy in Space with David Dickinson

Welcome to LHS 1140b: A Super-Earth in the Habitable Zone

The MEarth exoplanet survey nabs LHS 1140 b, a rocky planet transiting its host star just 41 light-years distant.

Explore the Night with Bob King

Lyrids to Put on a Weekend Light Show

The annual Lyrid meteor shower will add some pop and sizzle to Saturday's pre-dawn sky. With little interference from the Moon, conditions are ideal for meteor watching.

Just Saying Hello

Explore the Night with Bob King

See a Potentially Hazardous Asteroid From Your Backyard

Get ready for 2014 JO25, the biggest asteroid to fly this close to Earth since 2004. Good news — even a 3-inch telescope will show it! Update: See below for a radar image and animation of 2014 JO25 captured by NASA's Goldstone Solar System Radar on April 18, 2017. Every week, a…