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 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.
A NASA research scientist answers questions from kids about the Perseverance Mars rover, like how its samples will get back to Earth.
On November 4, K-12 STEM teachers are invited to Science Friday’s free professional development series, this time all about space!
While wildfires blaze out west, Hurricane Ida wallops the eastern United States, more evidence that extreme weather is tied to climate change.