Science n Space News

Russia strikes Ukraine with new hypersonic missiles: Here's how they work.

Russia claims to have used its Kinzhal hypersonic missiles for the first time, in its invasion of Ukraine. Here's why these super-fast weapons are so concerning.

logo.png  By WG  Mar 22, 2022

Why does NASA let male astronauts stay in space longer than females?

Here's why NASA has different radiation limits for male and female astronauts, and how these limits may change in the near future.

logo.png  By WG  Mar 22, 2022

Why did Russian cosmonauts wear Ukraine-flag colors?

Three cosmonauts donned Ukraine-flag colors when boarding the space station, but now the Russians say the fashion choice had nothing to do with support for Ukraine.

logo.png  By WG  Mar 22, 2022

Why aren't there polar bears in Antarctica?

Polar bears evolved during a time when the North and South poles were not connected by ice or land, so they stayed at the North Pole.

logo.png  By WG  Mar 22, 2022