News
- Astronomy
R.I.P. Cassini
After 20 years, nearly 300 orbits and pioneering discoveries, the Cassini spacecraft plunges to its death in Saturn’s atmosphere — taking data until its very last breath.
- Physics
How to peel permanent marker off glass
Water’s surface tension can peel a thin hydrophobic film such as permanent ink off glass surfaces.
- Anthropology
Skeleton ignites debate over whether women were Viking warriors
Scientists spar over a 10th century woman who may have had serious fight in her.
- Paleontology
Like sea stars, ancient echinoderms nibbled with tiny tube feet
An ancient echinoderm fossil preserves evidence of tube feet like those found on today’s sea stars.
