MIT researchers have built the most precise atomic clock to date

MIT researchers have built what they say is the most precise atomic clock to date. Their approach could help scientists explore questions such as the effect of gravity on the passage of time and whether time changes as the universe gets older. More a...

Two dead, dancing stars challenge astronomers’ expectations

Stars still have plenty of surprises despite (or perhaps, because of) advances in astronomy. Researchers using Caltech's Zwicky Transient Facility have discovered a binary white dwarf system 8,000 light-years away, ZTF J1539+5027, where the two dead...