Mars’s lost water may be buried beneath the planet’s crust
Billions of years ago, Mars was a warm home to lakes and oceans. That is, until…
Distant jets are giving us clues to how supermassive black holes get so big
At the center of every galaxy is a supermassive black hole—a monster that keeps the…
Scientists plan to drop the 14-day embryo rule, a key limit on stem cell research
In 2016, Magdalena Zernicka-Goetz grew human embryos in a lab dish for longer than anyone…
Why is it so hard to build government technology?
It’s been a long, challenging year for government technologies. Some have failed massively, requiring endless…