3 Min Read What Is Pi? (Grades 5-8) This article is for students grades 5-8. What is Pi? Pi is a number. You might know it as 3.14 or the
3 Min Read What Is Pi? (Grades 5-8) This article is for students grades 5-8. What is Pi? Pi is a number. You might know it as 3.14 or the
HELSINKI — China resumed orbital launch activity Thursday with a pair of missions lifting off from Hainan and Xichang spaceports, launching satellite internet and technology test satellites. The country had
HELSINKI — Chinese launch startup Landspace says it has completed a long-duration full-system hot-fire test of its new 220-ton-class methane rocket engine for new-generation launchers. Landspace made China’s first orbital
Schematic structure of the planet in our model. From top to bottom, the planet consists of four layers: a nebular-composition envelope (pure H2), a vapor-mixed envelope (H2 + H2O), a
Don’t miss this astounding 40-second video. It shows the DART spacecraft’s strike of the asteroid moon Dimorphos, in the year 2022, from the vantagepoint of a camera on the spacecraft.
A new study by researchers at the SETI Institute suggests that stellar “space weather” could make radio signals from extraterrestrial intelligence harder to detect. Stellar activity and plasma turbulence near
NASA/Chris Williams NASA astronaut Jessica Meir trims the hair of fellow NASA astronaut Jack Hathaway in this March 1, 2026, image. Meir uses an electric razor attached to a vacuum
SpaceX’s Falcon 9 rocket stands in the vertical launch position at Space Launch Complex 40 (SLC-40) at Cape Canaveral Space Force Station ahead of the launch of the EchoStar-25 mission.
Every time you flip a light switch, or check the time, or feel the sodium ions wiggling in your brain — don’t think about that one too much—you’re assuming something
Rocket Lab has signed its biggest launch contract to date, raking in $190 million from the U.S. Department of Defense. The deal is for a total of 20 flights of






