If you use a vacuum-insulated thermos to help keep your coffee hot, you may know it’s a good insulator because heat energy has a hard time moving through empty space. Vibrations of atoms or molecules, which carry thermal energy, simply can’t travel if there are no atoms or molecules around.
Scientists have blamed the demise of several ancient civilisations on a ‘meteor hurricane’ caused by a dying comet.
Despite scientists’ best efforts to probe the land beneath Antarctica’s ice sheets with radar, the continent’s sheer size and remoteness has left many gaps in existing surveys.
Interstellar comet 2I — Borisov swings past sun
Will it help us find an answer to the Fermi Paradox, or even those puzzling UFOs?
The retired lieutenant warned in a speech that China will dominate if left unchecked.
High above the surface of Mars, winds circulate from dayside to night, and the air undulates as it passes over mountains and valleys far below, a new study shows.
In 1997, some strange lights were filmed over Phoenix and to this day, they haven’t been explained.
The Guardian XO is a fully working powered exosuit that enables the wearer to lift and move heavy loads.
Data from space could help pinpoint the origins of one of Earth’s most famous falling stars
