Archives For Science News

They are our apex predator, the deadliest hunters of human beings on the planet.

A composite image comprised of optical data from the Isaac Newton Telescope and X-ray data from Chandra showing the stellar association Cygnus OB2(Credit: X-ray: NASA/CXC/SAO/J. Drake et al; H-alpha: Univ. of Hertfordshire/INT/IPHAS; Infrared: NASA/JPL-Caltech/Spitzer)

Hundreds of people reported seeing the fireball streak across the night sky late last night. Did you catch it?

Closest potentially habitable planet to our solar system found

This artist's impression shows a view of the surface of the planet Proxima b.

NASA’s Juno spacecraft approaches Jupiter

This artist rendering shows Juno orbiting Jupiter. Juno will study Jupiter from a polar orbit, coming about 3,000 miles (5,000 kilometers) from the cloud tops of the gas giant.

Childhood fears are common, normal

childhood anxiety

FUTURE WORRIES  Although once regarded by some researchers as a relatively harmless condition, childhood anxiety raises the likelihood of encountering serious problems later in life, researchers now say. By Bruce Bower

New Australian species is less than appetizing

bloody tomato

CUT AND CLOT  Two minutes after being cut open, the white flesh of an immature Solanum ossicruentum fruit turns red. After five minutes of air exposure, the bush tomato’s bloody color becomes even darker. By Sharon Schwartz

A new atlas reveals where light pollution obscures the night sky

Milky Way

NIGHT LIGHTS  More than a third of Earth’s population can no longer see the Milky Way at night, a new atlas of light pollution shows. Relatively pristine night skies, such as this one above Dinosaur National Park on the border of Colorado and Utah, are increasingly rare. By THOMAS SUMNER.

Enzymes used to build protective biofilms can also destroy them

Pseudomonas aeruginosa

STICKY BUSINESS  Pseudomonas aeruginosa (light green cells) biofilms are communities of bacteria encased in a coating primarily of sugar polymers (dark green). Enzymes that the bacteria use to build the coating can also chew it up, a new study suggests.


Circumhorizontal arc’ caused by ice crystals

Brian Gird, Worcester