Orbital Forensics Hint at Sun’s Long-Lost Planet
Clues hidden in today’s orbits reveal the violent origins of the solar system—and, just maybe, a rogue giant kicked out long ago
Stories by Christopher Crockett
Not Just Pretty, Perseid Meteors Hold Key to Clear View of the Heavens
The Perseids meteor shower, which peaks August 11-12, isn’t just a dazzling celestial show. The annual event also supplies our atmosphere with an essential ingredient for groundbreaking astronomical research...
Glowing, Glowing, Gone: Cell Fluorescence Casts Light on How Death Spreads Throughout Body
Researchers have identified a key molecular pathway for animal death that may provide clues for better managing traumatic injury and disease in humans
Are Galaxies Playing Catch with Black Holes?
Astronomers speculate that a supermassive black hole in a distant galaxy may have been spit out from the collision of two other galaxies
Methane in Pennsylvania Groundwater May Originate in Fracked Gas Wells
A new study links elevated levels of methane and other gases in groundwater to nearby hydraulic fracturing wells on the Marcellus shale, and suggests the problem lies in poorly designed well casings...
Channel Surfing: Are Dry Ice Sleds Carving the Surface of Mars?
Researchers have found that chunks of dry ice, jetting around on cushions of gas, may be responsible for mysterious channels on the Martian surface
