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Celestial News & Events

Mars Is Here!

The Red Planet is now nearly as bright — and appears nearly as big through a telescope — as it will any time this year.

Stargazing with Tony Flanders

The Amazing Comet Holmes

It may be dimming, but Comet Holmes is still unbelievably big and bright.

Celestial News & Events

Call for Images of Venus

Venus Express project scientists are inviting amateur and professional astronomers to contribute Earth-based images of the planet made at infrared, visible, and ultraviolet wavelengths.

Celestial News & Events

Comet Holmes: A Halloween Treat!

Greet your trick-or-treaters with two Halloween treats: a bit of candy and a view of Comet Holmes.

Celestial News & Events

Comet Holmes Beckons Skygazers Worldwide

As of January 4th the comet, ever-enlarging and thinning, is still in naked-eye view — but only if you have a fairly dark-sky site. Use binoculars to follow its next moves.

Observing

Sox and Comet

For heaven's sake, get out and look at Comet Holmes.

Full Moon

Space Missions

Moon Madness

For love or money, the Moon awaits you.

Celestial News & Events

Aurigids Aplenty!

Just as predicted, the Aurigid shower delivered a burst of meteors created by particles shed by a comet more than 2,000 years ago.

Stargazing with Tony Flanders

Moonset Eclipse

Missing totality makes an eclipse's partial phase all the more rewarding.

Celestial News & Events

Vesta Visits Jupiter

The brightest asteroid swings by the King of Planets from August 28th to the 31st.

Celestial News & Events

Lunar Eclipse on August 28th

Catch the Moon in eclipse before sunrise on August 28th.

Celestial News & Events

Mercury Meets the Twins

In the early morning hours of August 1st, you can see Mercury in the constellation Gemini.

Celestial News & Events

Jupiter's Circulating Current

Amateurs capture Jupiter's spots in the act of jumping belts.

Observing

Dust Continues to Blanket Mars

Dust storms have curtailed all rover activity for nearly a month.

Space Missions

The End of the Rovers?

The dust clouds on Mars are blocking out so much sunlight that the Mars Exploration Rovers may not survive until the storm blows over.

Celestial News & Events

Star Cluster/Comet Encounter

On Sunday evening Comet LINEAR (C/2006 VZ13) passes within kissing distance of the great globular star cluster Messier 3.

Solar System

A Ringside View of Uranus

Astronomers have assembled an armada of telescopes to observe Uranus in a way that hasn't been possible since the 1960s.

Celestial News & Events

Mercury in the Morning

The innermost planet makes a fine appearance in the eastern sky during the last two weeks of July.

Stargazing with Tony Flanders

Galaxies and Clusters and Comet, Oh My!

A summer night in the Boston exurbs proves surprisingly rewarding.

Space Missions

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.