Danger Signals From the Sun
Scientists have found a new way to detect harmful radiation explosions from the Sun.
Big Bear's 2007 Astronomical Extravaganza
A pair of annual astronomical events drew hundreds of amateurs to the resort town of Big Bear Lake in the San Bernardino Mountains east of Los Angeles this past Memorial Day weekend.
Dwarfs, Dwarfs Everywhere
Using the infrared Spitzer Space Telescope, astronomers have found thousands of previously unknown dwarf galaxies.
A Stunning Look Into Spiral Galaxy M81
Hubble has taken a super-high resolution image of M81 — and found star clusters, dust, glowing regions of gas, and more.
Planets of Massive A Stars
Stars more massive than the Sun have planets too. But they don't fit the familiar pattern.
Did a One-Two Punch Form the Solar System?
Using state-of-the-art techniques to precisely time the formation of ancient meteorites, scientists find that our solar system had a violent beginning.
Even More Evidence for a Wet Mars
By looking at soil plowed up by the Mars Exploration Rover Spirit, geologists have some of the strongest evidence to date that ancient Mars was a wet place.
Scientists Find New Way to Measure Black Holes
Astrophysicists have developed a new way to measure the mass of black holes — by watching how matter clumps before it falls in.
Dampened Spirits at the 2007 Texas Star Party
Observers from around the world gathered at the Prude Ranch for a week of stellar stargazing — but Mother Nature had different plans.
Jupiter at its Best
It's a rare day when a backyard astronomer captures targets as well as spacecraft and space telescopes do.
Black Hole Spins as Fast as It Can
A black hole has been measured spinning more than 950 times per second, about as fast as it can theoretically go under the laws of physics.
International Sidewalk Astronomy Night
Saturday, May 19th, is the first International Sidewalk Astronomy Night. Join amateur astronomers from around the world and share the heavens with anyone interested in viewing a planet or star.
Occultations by Possible Rings of Pluto
Photometric recordings of Pluto passing near stars, as on the night of May 11-12, 2007, could reveal if it has a ring system.
First look: Backyard Observatories, FAR Laboratories, and more at NEAF
More gadgets you might have missed at the Northeast Astronomy Forum.
Red Planet Rising
Now that mornings are getting warmer, it's far less daunting to get out of your warm bed and do some early-morning stargazing. But if you need some added motivation to set that alarm, look no further than Mars.
Another Saturnian Masterpiece!
Isn't it great to have a spacecraft orbiting Saturn? Yesterday the Cassini orbiter's imaging team released a new batch of photos that show off the majesty of the Ringed Planet.
Outburst of the Eta Aquarids?
A very old dust trail from Halley's Comet could enhance this meteor shower on May 6, 2007.
New Horizons at Jupiter
Good fortune shined upon the New Horizons spacecraft as it flew by Jupiter in February, to the delight of scientists who wanted to examine the "Small Red Spot," the planet's rings, hot lava on Io, and much more.
Wanted: Female Amateur Astronomers
You're invited to participate in a survey of the interests, attitudes, and experiences of girls and women in amateur astronomy.
See Vesta at Its Brightest!
This odd asteroid hasn't been so close to Earth in 18 years, and you may be surprised at how easy it is to spot with your eyes alone.