Cosmology

Thanks to Akari, I'm Seeing (Infra)Red

Japanese and European astronomers have proudly unveiled the first all-sky map of the deep infrared sky in more than 20 years.

Solar System

Martian Dustup Has an Impact

As a storm rages in Mars's atmosphere, two rovers on the surface and three orbiters above wait for the dust to settle.

Celestial News & Events

Spotty Weather

There's a cool sunspot group visible right now. If the weather is clear, go grab a safe solar viewer and check it out for yourself.

Celestial News & Events

Comet LINEAR Graces the Northern Sky

An unexpectedly bright comet is crossing a well-known part of the sky.

People, Places, and Events

Web Winners

The Astronomical League has announced its webmaster of the year.

Solar System

Mars Pole Bound — Again

NASA is set to launch its latest Mars mission, the Phoenix lander, as early as August 3rd.

Solar System

Dawn's Liftoff Delayed to September

When delays narrowed the spacecraft's July launch window to just a few days, NASA managers decide to wait two months.

Solar System

Let's Hope Dawn Doesn't Break!

When NASA's Dawn spacecraft leaves Earth behind on Sunday, it'll begin an 8-year asteroid-hopping adventure.

Solar System

Return of the Sponge Moon

Back in 2005 we reported why Hyperion had a sponge-like appearance. Turns out that our old story is dead wrong!

Solar System

What a Difference a Decade Makes

It's been a decade since Mars Pathfinder touched the surface of Mars and heralded a new era of Martian exploration.

Astronomy & Observing News

Stellar Weather Forecast: Chance of Mercury Clouds

Look closely enough and stars can get more puzzling than anyone expects. According to a new paper out last week, some stars display heavy-metal "weather" patterns where astronomers expected they should have none.

People, Places, and Events

Diving into the Blogosphere

Starting today we're going to be doing things a little differently here at SkyandTelescope.com. Check out the changes!

Astronomy & Observing News

Opportunity Readies for Crater Dive

The Mars rover Opportunity will soon make a risky but scientifically rewarding descent into Victoria crater.

Al Nagler, John Gallagher, and Steve O'Meara

Astronomy & Observing News

Own a Piece of Astro History

Two precious artifacts — a prototype Nagler eyepiece and Steve O'Meara's Tele Vue Genesis telescope — will be sold to the highest bidders in late July 2007.

Astronomy & Observing News

Beyond the Printed Page

Did you know that there's more to Sky & Telescope than you can see when you're browsing it at a newsstand? Many articles include extra material that's available only on our website.

Fallen trees near the Tunguska River in Siberia

Astronomy & Observing News

Has a Tunguska Crater Been Found?

Italian researchers think they've found a hole in the Siberian forest where an extraterrestrial rock famously slammed to Earth 99 years ago.

Ken Franklin, 1972

Astronomy & Observing News

Kenneth L. Franklin, 1923–2007

Renowned astronomer and astronomy popularizer Kenneth L. Franklin died on June 18, 2007, two weeks after undergoing heart surgery. He was 84 years old.

Astronomy & Observing News

Saturn's Smoking Guns

Following a trail of charged particles, Cassini scientists find that two more of Saturn's moons may be active.

Resources and Education

Spectacular Occultation and Graze of Regulus

The year's best grazing occultation in North America occurs on June 19-20, 2007, when the waxing crescent Moon covers Regulus (Alpha Leonis).

Leaving Venus Behind

Astronomy & Observing News

So Long Venus, Onward to Mercury

Scientists release the first pictures taken during the Messenger spacecraft's flyby of Venus last week.