SPACE

NASA could use the results of its Twins Study to send humans to Mars.

Mercury will also be easy to spot on the night of March 31.

Space suits don’t just make astronauts look cool. Without these special suits, astronauts wouldn’t be able to leave their spacecraft.

The Sun comes out in the morning and sets at night, and then the Moon rises. Right? Then how come we can see the Moon during the day sometimes?

There are a few wonders in the winter sky worth making time for.

No one said space travel was going to be delicious.

It's three lunar events rolled into one.

The teacher was one of seven victims of the Challenger disaster.

A new study sheds light on the cause of the famous dimming of "Tabby's star."

The character dreams of being the first person to visit Mars.

"From a NASA perspective, there is no other single event that has informed so many scientific disciplines."

When conventional scales don't work, they use this instead.