The page you are about to enter is for grown-ups. Enter your birth date to continue.
NASA announced a new study on June 9 that will focus on UFOs. A UFO is an unidentified flying object. Throughout history, people have reported unexplained objects in the sky. NASA also calls these sightings UAPs, which stands for “unidentified…
Thunderclouds gather near the town of Müllrose, Germany, on April 9. These unusual formations are called mammatus clouds. Their shape can vary. Here, bulges eme…
Temperatures can drop to -225°F on Mars, and the air is unbreathable. But around 4 billion years ago, the planet had oceans and seas, and a thick blanket of air. These conditions could have supported life. For the past nine…
The story “Space Training” is about NASA’s new class of astronaut recruits. It appears in this week’s issue of TIME for Kids. Here, Kid Reporter Lucy Sandor talks with Pam Melroy, NASA's deputy administrator. Melroy explains why the next generation…
On January 7 and 8, NASA’s new space telescope unfolded its huge, flower-shaped mirror. The James Webb Space Telescope will soon reach its destination a million miles from Earth. Its mission: to find evidence of how galaxies formed, more than…
Sylvia Earle is a marine biologist. She’s also one of the ocean’s biggest defenders. TIME’s Aryn Baker spoke to her about how to protect the ocean and Earle’s dream of access to submersibles for all. 1. You’ve written several books…
Why does a squirrel have a bushy tail? It’s for. . . A. storing nuts. B. keeping up with fashion trends. C. staying warm in winter. The answer is C. When a squirrel is in a…
Why does an airplane fly? Because. . . A. it doesn’t like to walk. B. it’s lifted by fast-moving air. C. heat from the Earth lifts it up. The answer is B. When an engine pulls a plane forward,…
Aadya Joshi looks out at a landscape near Mumbai, India, and sees a line of eucalyptus trees. They were planted to replace forest that was cleared for timber. The view doesn’t make Joshi happy. Eucalyptus trees don’t grow naturally in…
Why does the moon have craters? They're from. . . A) astronauts digging. B) moon decay. C) asteroids and meteorites. Asteroids and meteorites often crash into the moon’s surface, causing craters. But on the moon, there’s no water, weather, or…
