SUNSET: 
Amateur Filmmaker Captured Solar Eclipse — in 1900
In 1900, a man named John Nevil Maskelyne filmed a solar eclipse — the first of its kind.
Is Our Sun Slowing Down in Its Middle Age?
The Sun, now halfway through its life, might be slowing its magnetic activity, which could lead to permanent changes in the sunspots and auroras we see.
How Astronomers Count Sunspots
A multi-year investigation revealed errors in our understanding of the Sun.
Jennifer Barlow: Dark-sky Devotee
One person can make a difference, as demonstrated by a high-school student's single-handed effort to help us all appreciate the night sky.
The Geminids: An Exception to the Rule
The source of December's annual Geminid meteor shower is not what you might expect.
Stardust Checks Out Asteroid Annefrank
A half hour of target practice paves the way for a high-speed dash comet dash in early 2004.
Cassini's First Look at Saturn
Although its arrival is still more than two years away, the Cassini orbiter is already drawing a bead on its final destination.
Galileo's Last Rendezvous
The spacecraft that takes a licking and keeps on ticking is about to make its last flyby.
Viewing Mercury at Its Best
Fast-moving Mercury can be elusive. But spotting this sparkling little planet is easy if you know where and when to look.
Goodbye, Galileo
The intrepid Galileo orbiter has been shut down permanently awaiting its burial into Jupiter's atmopshere.
Beneath the Spiral
As seen through X-ray eyes, the spiral galaxy M83 is filled with diffuse hot glowing gas and pointlike binary star systems.Courtesy NASA/CXC/R.Soria and K.Wu. Buried deep within the spiral galaxy M83 is a dense and tumultuous star-making factory in a bagel-shaped volume around the galaxy's nucleus. The Chandra X-Ray Observatory…
Rosetta Grounded by Rocket Worries
Europe's Rosetta spacecraft was supposed to be on its way to Comet Wirtanen by now &$151; but a failure of its launch vehicle last month may keep this spacecraft grounded for years.
Mystery Trains
Scientists are closer to determining what causes the lingering smoke train behind some meteors.
Jupiter's Lovers
Eleven of Jupiter's moons have received their official names.
Pluto Mission Gets Boost in Congress
The prospects for a mission to Pluto look better than ever.
Space Artists Honored
World-renowned space artists Don Davis and Jon Lomberg have been awarded the prestigious Klumpke-Robert Award by the Astronomical Society of the Pacific.
The Crab's Shimmering Shock Waves
Never-before-seen details in the inner Crab Nebula reveal that the fast-spinning pulsar at its heart is powering a dynamic sequence of events.