An atom is the smallest unit of an element that retains its chemical properties. It is made of protons, neutrons, and electrons. (Image: M ...

Astronomers discovered a "quasi-satellite" of Earth, also known as a "quasi-moon," dubbed 2025 PN7 in 2025. NASA told Snopes ...

This video explores humanity’s scale compared to planets, stars, and galaxies, using clear science to put our size into ...

Scientists have discovered a “record-breaking” asteroid that is nearly the size of eight football fields. The object, known ...

Think of the destruction of Earth's rainforests and a familiar image may come to mind: fires or chainsaws tearing through ...

Far from the bright glare of the Moon, a much smaller companion has been quietly keeping pace with Earth, looping around the ...