What Causes Some Aurora To Appear In Discrete Lines?
Why do some auroras appear in discrete lines, while others fill the sky with diffuse light? Explore how electrons surf on Alfvén waves.
How Do You Search For Life In The Universe? Use Clues From Microbes!
How do scientists figure out where life can exist in the universe (places like Venus)? Use the microbes on Earth to piece together clues about the limits of life.
12:16
Younger Kids Next In Line For COVID-19 Vaccines
How will making vaccines available for children as young as 5 change the course of the pandemic in the U.S.?
7:23
This Weekend, Take Time For The Moon
From the Orionid meteor shower to International Observe The Moon Night, it’s a great weekend to look up.
11:59
Ice-Hunting Lunar Rover Robot Gets A Landing Site
NASA chose a landing site for its first-ever robotic moon rover, VIPER, slated to launch in 2023 to look for ice near the lunar south pole.
4:07
NASA Scientist Answers Kids’ Questions About The Mars Rover
A NASA research scientist answers questions from kids about the Perseverance Mars rover, like how its samples will get back to Earth.
Earn P.D. Certificates At SciFri’s Educator Phenomena Forum
On November 4, K-12 STEM teachers are invited to Science Friday’s free professional development series, this time all about space!
12:06
Nation Grapples With Several Climate Disasters At Once
While wildfires blaze out west, Hurricane Ida wallops the eastern United States, more evidence that extreme weather is tied to climate change.
17:01
What’s Shaking Below Mars’ Surface?
Scientists are using quakes on Mars to peer inside the interior of the Red Planet. Plus, a planned mission to investigate Venus.
8:15
Betelgeuse’s False Supernova Alarm
Supernova expert Sarafina Nance explains a new theory for why red giant star Betelgeuse abruptly went dark in 2019.