He grabbed a bottle of blue spray paint and painted a giant blue dot, inspired by his district’s status as a Democratic ...

He wanted to try the safety features out for himself. Interestingly, the purple dot that turns into a very concentrated blue dye is not soluble in isopropyl alcohol at all. I sprayed a little on ...

Research by the Atacama Cosmology Telescope collaboration has led to the clearest and most precise images yet of the universe’s infancy, the cosmic microwave background radiation that was visible only ...