Halley On Fire! Orionids Peak This Week
The annual Orionid meteor shower is active all week, peaking Friday morning October 21st. If you're up before dawn, you might just see these Halley's Comet castoffs come to life.
MAVEN’s Mars: in Ultraviolet
NASA’s youngest Mars orbiter has watched clouds grow and detected an ozone accumulation on the Red Planet.
More Evidence for Volcanoes on Venus
Planetary scientists haven't yet witnessed an active volcano on Venus, but a new study pinpoints a likely set of still-warm lava flows.
Moon to Cover Bright Star Aldebaran
This eye-catching occultation occurs late on October 18th (West Coast) and early on the 19th (East Coast). It's a grazing event as seen from Los Angeles and Denver.
What Are Curiosity and Opportunity Up To?
As Schiaparelli prepares to land on Mars, how are the other robotic denizens of the Red Planet doing?
Remembering Ewen A. Whitaker, 1922–2016
An amateur who devoted his live to chronicling the Moon, and became one of the world's most renowned lunar specialists, has died at age 94.
Two Stars, Three Planet-forming Disks
A young pair of stars hosts three potentially planet-forming disks, and all three of them are wildly tilted with respect to each other.
Schiaparelli Lander to Touch Down on Mars
The innovative joint European Space Agency/Roscosmos Schiaparelli lander begins its three day solo journey to the Martian surface this weekend.
Meet Some Amazing Young Astronomers
This year's awards from the Astronomical League showcase some talented high-school students and astronomy clubs throw great star parties.
About Those 2 Trillion New Galaxies . . .
The news that astronomers find the universe has 10 times more galaxies than previously thought? There's less to this than the headlines say.
Solar Forecasters Predict Chance of Auroras
The National Oceanic and Atmospheric Administration (NOAA) predicts a strong chance of geomagnetic activity tonight, October 13–14.
Space Rocks Hit the Moon Often
Observations from NASA’s Lunar Reconnaissance Orbiter reveal that the Moon is being pockmarked by meteoroids at a higher rate that previously predicted.
Green Bank Observatory Goes Independent
Green Bank is celebrating its 60th birthday by seceding from the National Radio Astronomy Observatory.
Proxima Centauri Has Sun-Like Cycle
Observations confirm that the closest star to our solar system has a regular magnetic cycle similar to our Sun.
New Object Vies for Kuiper Belt Record
Right now 2014 UZ244 lies nearly 14 billion kilometers away, ranking it third among the most distant objects known in the Kuiper Belt.
Does Dione Have a Subsurface Ocean?
A new analysis suggests that a subsurface ocean might lie deep beneath the crust of Saturn’s moon Dione.
Fall Astronomy Day: Saturday, October 8th!
Amateur astronomy clubs, planetariums, science museums, and parks celebrate Astronomy Day twice a year.
Hints of Geysers Erupting from Europa
Newly released Hubble images show what appear to be towering jets of water coming from Jupiter's moon Europa.
Rosetta's Grand Finale
The historic mission to explore a comet ends in dramatic fashion on September 30th.
Tour October's Sky: Planets in Transition
This month is your last chance to catch Saturn in the evening sky. But Mars is still hanging around, and Venus is climbing higher each evening.
