12:07
Solar Activity Flares Up In 2024
Look out for a total solar eclipse, more solar flares, and the Parker Solar Probe’s closest approach to the sun.
8:35
To Get Ready For Mars, NASA Studies How The Body Changes In Space
Spending time in space affects everything from eyesight to bone health. NASA’s CIPHER program will measure these changes and more.
The Best Of Science Friday, 2023
This year science reached new frontiers, and our coverage followed suit. Our staff—and audience—share their favorite SciFri creations of 2023.
12:16
Scientists Report Second Highest-Energy Cosmic Ray Ever Detected
Powerful cosmic rays like the “Amaterasu” particle are typically caused by celestial events. This one’s source is unknown.
Geminid Meteor Shower Peaks On Wednesday And Thursday
You could see more than 100 meteors per hour during the moonless night of December 13-14.
33:33
The (Not So) Easy Guide To Getting To Space
In a new book, astronaut Mike Massimino reflects on his time in space, and what it taught him about succeeding on Earth.
Speak Up! And Other Lessons Learned From Being An Astronaut
A former NASA astronaut reflects on his career and what it taught him about overcoming steep challenges.
11:43
An Exoplanet Where It Rains Sand
Astronomers are calling the exoplanet “fluffy.” Plus, an update on a possible volcanic eruption in Iceland.
11:42
Moon Rocks Collected In 1972 Reveal New Secrets
Research on crystals brought back by the Apollo 17 mission shows that the moon is 40 million years older than we thought.
Euclid Telescope’s First Images Unveiled
A new ESA telescope could help us understand how dark matter and dark energy influence the structure of the universe.