41–60 of 458 results
Full Moon with Cassini's Bright Spot

Astronomy & Observing News

"Cassini's Bright Spot" Beams at Full Moon

Rayed craters pepper the Moon especially around full. Cassini's Bright Spot is one of the most striking.

K2-18 system

Astronomy & Observing News

See the Host Sun of Exoplanet K2-18b

While you won't see a trace of this exoplanet or alien life, it's easy to spot the red dwarf star that warms its surface.

Vesta by Dawn

Astronomy & Observing News

Asteroid Vesta Now an Easy Catch in Binoculars

Vesta, both protoplanet and asteroid, reaches opposition on May 2nd. From a dark sky it's even visible with the naked eye.

Sky diagram showing Lyrid radiant among background stars

Astronomy & Observing News

See the Lyrid Meteor Shower the Night of April 21–22

The annual Lyrid meteor shower should put on a great show this year. Enjoy it with a dash of the "dark side" of Saturn's rings.

Comet C/2025 F2 (SWAN)

Astronomy & Observing News

New Comet SWAN Now Visible in Small Scopes

A new comet discovered in spacecraft images is bright enough to make you get out of bed before dawn.

V7993 Sgr nova finder map

Astronomy & Observing News

New Nova in the "Teapot," Algol Blinks, and Uranus Occults a Star

A new nova for early risers plus three fun observing projects for the week ahead.

Sunrise eclipse inferior mirage

Astronomy & Observing News

Sunrise Solar Eclipse on March 29th for Eastern North America

The March 29th partial solar eclipse offers unique opportunities for photography and viewing alike.

Dwarf nova ilustration

Astronomy & Observing News

T Coronae Borealis Isn't the Only Star Ready to Blow — Meet U Gem

As we wait on recurrent nova T CrB, dwarf nova U Geminorum is teeing up for its next 8-magnitude outburst.

Total lunar eclipse sequence

Astronomy & Observing News

Watch the Total Lunar Eclipse (March 13-14)

After more than two years, the Americas score a lunar eclipse bullseye.

Venus full circle

Astronomy & Observing News

Venus Sprints from “Evening Star” to “Morning Star”

As Venus departs dusk for dawn, here's how to never lose sight of it.

Aurora swirls

Astronomy & Observing News

North to the Aurora!

If the aurora won't come to you, go to it. The story of my quest to see the polar lights.

Venus thick crescent

Astronomy & Observing News

See Crescent Venus This Valentine's Day

In a delightful cosmic coincidence, Venus will shine brightest on Valentine's Day.

Pleiades with nebula

Astronomy & Observing News

Best Double Stars in the Pleiades Cluster

Like a gift that keeps on giving, the Pleiades is also home to several fine double and triple stars for small telescopes. Plus, details of a rare comet occultation on Feb. 5.

Six planets in a row

Astronomy & Observing News

Planets “Parade” with Waxing Moon

The "planet parade" isn't over yet — the waxing Moon will pair with the planets in the coming week, with a pretty Venus-Moon pairing on February 1st.

R Leo with Leo's Sickle

Astronomy & Observing News

Take a Look at R Leonis, Leo's Giant Ticker

Big, bright and red, the Mira variable R Leonis portends the Sun's fate. A pair of binoculars is all you need to get acquainted.

Meteorite impact

Astronomy & Observing News

Witness the First-ever Sight and Sound Recording of a Meteorite Impact

To our best knowledge, the fall of last summer's Charlottetown meteorite stands as the only video-and-audio recording of a meteorite impact.

Comet ATLAS (C/2024 G3) breakup evolution

Astronomy & Observing News

Comet ATLAS Caught in the Act of Disintegration

Nucleus falls to pieces, but the comet continues on!

Comet ATLAS (C/2024 G3) at dusk

Astronomy & Observing News

Grab Your Binoculars for Comet ATLAS's Brief Sunset Show

Northern Hemisphere skywatchers can now spot this horizon-skirting comet. It's a beauty.

Astronomy & Observing News

See January's "Planet Parade," plus Comet ATLAS Now Visible in Daylight

With lots of planets and a bright comet vying for our attention, January is an exciting month for skywatchers!

Comet ATLAS (C/2024 G3) over Mexico

Astronomy & Observing News

Comet ATLAS (C/2024 G3) — Catch it if You Can

Grab your binoculars for a chance to see Comet ATLAS as it plunges toward perihelion.

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