Cosmologist Katie Mack explains the Big Crunch, the Big Rip, and other theories for the end of everything. Plus a genetic breakthrough in squid research opens a new world for scientists.

Presidential candidate Joe Biden unveiled a $2 trillion plan for climate change—and the economy. Plus scientists search for extreme bacteria with medical value in Peru’s Boiling River.

The incarcerated population has been battling COVID-19—and the struggle to contain it is highlighting systemic public health issues. Plus, scientists have viewed sperm moving in 3D.

Different sports are using combinations of ‘bubbles,’ testing, and quarantine to try to keep the season in play. But will it work? Plus, what can zero gravity reveal about basic biology?

How a group of volunteers called the Poison Squad helped make ketchup “pure.”

New pictures of the sun’s surface remind us how little we know about it. Plus, what you should know about coronavirus and children, aerosols, and spike mutations.

Medical professionals are learning about lingering health effects from serious cases of COVID-19.  Plus, new research looks at why we became the main course for some mosquitoes.

An investigation into how our brain keeps track of everything we smell. Plus, an art historian and plant biologist find clues to botanical evolution in paintings of fruits and veggies.

There's a lot of pressure to get students back in school this fall, but with COVID-19 cases rising, there is no easy path forward. Plus, details on the next rover mission to Mars.