12:12
What Lies Beneath The Outer Layers Of A Star?
Astronomers found a supernova whose lighter outer layers had been stripped away, revealing an inner shell rich in silicon and sulfur.
Remembering Apollo 13 Astronaut James Lovell
The late James Lovell was commander of the ill-fated Apollo 13 mission. In 1995, he recounted the story of the real-life space drama.
12:18
NASA Employees Protest Cuts In Formal Dissent Letter
Retired astronaut Cady Coleman explains why she felt compelled to sign “The Voyager Declaration.”
16:41
Parker Solar Probe Captures Closest-Ever Images Of The Sun
The newly released images from a December flyby are so detailed that scientists can see explosions and the flow of solar winds.
Mars? It Was A Miracle We Got To Florida
Geologist Steve Squyres risked his career and millions of dollars to get the Spirit and Opportunity rovers on Mars.
New Telescope Captures The Cosmos In Groundbreaking Detail
The telescope has the largest digital camera ever made. It’s so precise that one image alone contains 10 million galaxies.
29:00
Is It Time For A New Model Of The Universe?
Is the Hubble constant—a key part of how we measure the expansion of our universe—in a crisis? Some cosmologists say yes.
RFK Jr. Reshuffles CDC Vaccine Panel With Vaccine Skeptics
The health secretary fired the entire panel that recommends vaccines. Plus, the EPA moves to expedite cleanup of Superfund sites.
What’s Next For China’s Space Program?
From lunar missions to a space station to an asteroid rendezvous, China has been making impressive strides in spaceflight.
16:09
What We’re Learning From The James Webb Space Telescope
JWST has detected the earliest galaxies in the universe, but some look “more mature” than expected. Is it time to rethink how galaxies form?