Venus may be closer to the sun than Earth, but its typically hellish atmosphere has a surprisingly cold layer that's chillier than any part of our own planet's atmosphere, a new study reveals.
Early-bird skywatchers on Wednesday (Oct. 3) will be treated to a rather extraordinary sight, when the most brilliant planet passes exceptionally close to one of the brightest stars in the sky.
Intellectual disability affects 1 to 3 percent of children worldwide, half of whom are born to parents of normal intelligence. Researchers have discovered that most of these cases of “sporadic intellectual disability” result from new, random mutations …
Scientist and activist Barry Commoner, who raised early concerns about the effects of radioactive fallout and was one of the pioneers of the environmental movement, has died at age 95.