If a person is lost in the wilderness, they have two options. They can search for civilization, or they could make themselves easy to spot by building a fire or writing HELP in big letters. For scientists interested in the question of whether ...
Space
Why Space Force Wants to Patrol Around the Moon
Most people don’t have a nickname for the stretch of space that reaches from earth’s orbit to the moon. But in the Space Force, they do: the “cone of shame.” For complicated reasons having to do with trajectories and the moon’s gravitational pull, ...
That Time SpaceX Falcon 9 Made 1 Big-Assed Moon Crater
It’s not often that the sudden appearance of a new impact crater on the Moon can be predicted, but it’s going to happen on March 4, when a derelict SpaceX Falcon 9 rocket will crash into it. The rocket launched in 2015, carrying Nasa’s Deep Space ...
Kick-Ass Space Travel: The Missions You Need to Watch
Space travel is all about momentum. Rockets turn their fuel into momentum that carries people, satellites and science itself forward into space. 2021 was a year full of records for space programs around the world, and that momentum is carrying ...
The Soviets Crashed into the Moon While Apollo 11 Was On It
Everyone knows the story of Apollo 11 landing on the moon, but fewer know about Luna 15: The Soviet lunar lander that was busy crashing into the moon’s surface as America’s astronauts toured the Sea of Tranquility. On July 20, 1969, Neil Armstrong ...
Dangerous New Debris Field: Inside the Russian Anti-Satellite Test
On Nov. 15, 2021, U.S. officials announced that they had detected a dangerous new debris field in orbit near Earth. Later in the day, it was confirmed that Russia had destroyed one of its old satellites in a test of an anti-satellite weapon. Wendy ...