The Flash Spectrum of the Sun
In a flash, the visible spectrum of the Sun changed from absorption to emission on March 9 during […]
Science
Mars Mission Set to Launch to Study Gases and Storms
By KENNETH CHANG The ExoMars 2016 mission to Mars, a collaboration between the European and Russian space agencies, […]
David M. Gates Dies at 94; Sounded Early Alarm on ...
By SAM ROBERTS Dr. Gates was in the vanguard of scientists who warned early on that fossil fuels, […]
Unearthing an Old Reptilian Relative of Dinosaurs
By NICHOLAS ST. FLEUR Called Teyujagua paradoxa, or “fierce lizard,” the species was recently discovered in Rio Grande […]
Lunar Shadow Transit
This snapshot from deep space captures planet Earth on March 9. The shadow of its large moon is […]
This Week’s Other Solar Eclipse
By NICHOLAS ST. FLEUR More than 22,000 miles above Earth, NASA’s Solar Dynamics Observatory has been getting a […]
Dark Sun over Ternate
A dark Sun hangs in the clearing sky over a volcanic planet in this morning sea and skycape. […]
How an Amateur Meteorite Hunter Tracked Down a Fireball
By NICHOLAS ST. FLEUR Since last October, citizen scientists have uncovered fragments from three different fireball sightings using […]
The Hydra Gets a New Mouth With Every Meal
By JOANNA KLEIN Every time a hydra wants to eat, it rips a hole through the center of […]
Edge On Galaxy NGC 5866
Why is this galaxy so thin? Many disk galaxies are actually just as thin as NGC 5866, pictured […]