Teachers can engage students in creative, informative activities to learn more about the spring equinox and how it is ...

The impact on the oceans if the Moon disappeared would be much smaller tides, about one-third the size of what they are now. Tides churn up material in the oceans, which allows coastal ecosystems to ...

The above image shows a 20-meter-long chunk of frozen carbon dioxide falling off a cliff. Rising temperatures during the ...

Why it's so special: These odd, fan-like features on the surface of Mars are geysers of gas and dust near the planet's south ...

Leader, columnist Orville Moe, writer of “In a science-minded world, a reason to thank God,” says: “… thank God for all his gifts to us on this small and insignificant planet ...

Skywatchers in central Florida and southern Texas can witness a rare lunar standstill on Feb. 7, as the waxing gibbous moon ...

The moon's ascending node (the point in the sky where its orbit crosses the ecliptic from south to north) is moving westward ...