(William Neff / The Washington Post)
Health and Science
Apollo 17 left the Moon 45 years ago. That dirty space gear has a story to tell.
45 years after NASA astronauts Eugene Cernan and Harrison Schmitt left humanity's final footprints on the Moon, their spacesuits remain visibly grimed with Moon dirt. The folks talking about returning to the Moon would do well to listen to the story these suits have to tell: That dirt proved to be an unexpected challenge in lunar exploration.
Read More
Up next in Science
promo
2:06
Apollo 17 left the Moon 45 years ago. That dirty space gear has a story to tell.
promo
0:41
Demonstrators protest telescope installation in Hawaii
promo
1:12
Watch the sky turn dark in a rare total solar eclipse
promo
1:28
NASA previews Orion spacecraft test
promo
0:49
Historic heat wave triggers massive wildfire in Spain
promo
2:16
Europe is bracing for a record-setting heat wave. Here's what you need to know.
promo
1:26
The summer solstice: A day defined by its brightness
promo
0:55
What is chronic wasting disease?
promo
1:00
NASA announces plans to open ISS for commercial use
promo
5:45
The surprising reasons why drug prices in the U.S. are higher than in the rest of the world
promo
12:25
After 66 million years, a T. rex makes its grand debut
promo
0:47
How an anaconda in an all-female exhibit got pregnant and gave birth
promo
2:56
My beef with the cheeseburger line in 'Avengers: Endgame'
promo
3:32
The fight for access to birth control and abortion, explained
promo
0:41
Researchers discovered a ‘platypus of the sea.' It's cute — but it's extinct
promo
1:33
The spinal surgery that made the Tiger Woods comeback a reality
promo
2:44
What do we know about the first image of a black hole?
promo
2:07
Meet Katie Bouman, the young woman behind the first image of a black hole
promo
2:41
The world just saw its first black hole. Our pop culture references were way off.
promo
5:32
Is artificial intelligence, intelligent? How machine learning has developed.
promo
4:27
Stopping HIV in America is possible. What will it take?