Engineers hid the phrase “Dare Mighty Things'' on the parachute of NASA’s Mars Perseverance rover. It isn’t the first time they’ve snuck a fun surprise or a sentimental object onto a spacecraft, either. ...read more
Earth isn't the only place to experience rainfall and raindrops. Elsewhere in the universe must be intriguingly similar, say physicists. ...read more
Overuse of these medicines in livestock can affect humans, too. ...read more
Some simple math shows why America has an immunization numbers problem. ...read more
In the search for alien civilizations, the first step in making sure we understand what we're looking for. ...read more
Why is it so hard to picture COVID-19? ...read more
Researchers claim that they can ask questions and receive answers from dreaming participants ...read more
They're called "fallstreak holes," and they occur when parts of a cloud suddenly fall away toward the surface. ...read more