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Perseid Meteors vs. the Supermoon
Perseid Meteors vs. the Supermoon
In a normal year, dark-sky observers typically count more than 100 Perseids per hour. But this is no normal year.Read More...
Rosetta Comet Comes Alive
Rosetta Comet Comes Alive
A spacecraft from Earth is about to do something no spacecraft has ever done before: orbit a comet and land on its surface.Read More...
A New Meteor Shower in May?
A New Meteor Shower in May?
The shower is the May Camelopardalids, caused by dust from periodic comet 209P/LINEAR. No one has ever seen it before, but this year the Camelopardalids could put on a display that rivals the well-known Perseids of August.Read More...
Comet ISON vs. the Solar Storm
Comet ISON vs. the Solar Storm
In 2007, astronomers were amazed when a solar storm hit comet Encke. The same thing could be in store for comet ISON -- only worse.Read More...
Two Comets to Fly By Mercury
Two Comets to Fly By Mercury
What are the odds? On Nov. 18th and 19th not one but two comets will fly by the planet Mercury.Read More...
Comet ISON: What's Next?
Comet ISON: What's Next?
Comet ISON is now inside the orbit of Earth as it plunges headlong toward the sun for a fiery close encounter on Nov. 28th. Although the comet is not yet as bright as many forecasters predicted, the comet is putting on a good show for observatories ...Read More...
It's Complicated: Dawn Spurs Rewrite of Vesta's Story
It's Complicated: Dawn Spurs Rewrite of Vesta's Story
Just when scientists thought they had a tidy theory for how the giant asteroid Vesta formed, a new paper from NASA's Dawn mission suggests the history is more complicated.Read More...
Rosetta: 100 Days to Wake-Up
Rosetta: 100 Days to Wake-Up
ESA's comet-chasing mission Rosetta will wake up in 100 days' time from deep-space hibernation to reach the destination it has been cruising towards for a decade.Read More...
Dawn Reality-Checks Telescope Studies of Asteroids
Dawn Reality-Checks Telescope Studies of Asteroids
In a paper, Vishnu Reddy and other members of Dawn's framing camera team describe how up-close observations of Vesta have confirmed and provided new insights into more than 200 years of Earth-based observations.Read More...
Amateur Astronomers See Comet ISON
Amateur Astronomers See Comet ISON
Anticipation is building as Comet ISON approaches the sun for a close encounter on Thanksgiving Day (Nov. 28). No one knows if the blast of solar heating ISON receives will turn it into one of the finest comets in years -- or destroy the icy visitor.Read More...
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