a1 50 years ago, IUDs were deemed safe and effective In 1929, the German scientist Ernst Grafenberg inserted…
a1 Massive dust storms are robbing Mars of its water Storms of powdery Martian soil are contributing to the …
a1 Life may have been possible in Earth’s earliest, most hellish eon Maybe Earth’s early years weren’t so hellish after all….
a1 Clumps of dark matter could be lurking undetected in our galaxy Clumps of dark matter may be sailing through the Milky …
a1 When it’s playtime, many kids prefer reality over fantasy Young children travel to fantasy worlds every day, pack…
a1 5 ways the heaviest element on the periodic table is really bizarre The first 117 elements on the periodic table were relat…
a1 Americans would welcome alien life rather than fear it AUSTIN, Texas — If alien microbes crash-land on Earth, …
a1 This scratchy hiss is the closest thing yet to caterpillar vocalization Tap — gently — the plump rear of a young Nessus sphinx …