Science

The ISS program evolved from the 1980s Space Station Freedom program. The first long-term residents ...

This is because, in low light, the eye registers light with rods that are not color sensitive but respond only to light.

Compounds of other heavy metals, such as copper, lead, or mercury, also have such properties, but si ...

Temperatures there dropped to – 30 degrees Celsius, and up to 180 centimeters of snow fell in most o ...

Ham, aboard the Mercury Redstone rocket, blasted off on January 31, 1961. “Ham the Astrochimp” was b ...

Nitrogen makes up about 78.1 percent of the atmosphere, oxygen 20.9 percent, and Argon 0.93 percent. ...

Beyond Earth, lava can reach even higher temperatures; the record holder is Io, Jupiter's moon, where satellites have recorded lava flows with an average temperature of 1,300 °C (2,370 °F).

This was only proven through research at the beginning of the 20th century, In 1947, the first theor ...

It is enough for the first and last letters of a word to be in the correct place.