Nuclear fusion is the merging of two light atomic nuclei into one heavier one. If it can be harnessed on Earth, it could generate clean, limitless energy.
Reference Winter, the coldest season of the year, comes between autumn and spring. It is associated with plunging temperatures and icy weather, but its impact and timing change according to location.
Reference Seasons are periods of the year with distinct weather conditions and day lengths. Earth's four seasons are spring, summer, autumn (fall) and winter.
Crashing a giant space rock into a young planet can strip off some or all of its atmosphere, creating a wealth of different types of worlds.
Only moments before New Horizons flew by the most distant solar system object ever visited, astrophysicist and Queen guitarist Brian May released his new single based on the mission.
Antarctica is the coldest, windiest, and driest continent. Because so little moisture falls as rain or snow, Antarctica is classified as a desert.
Alien civilizations with technology levels similar to that of Earth could be visible with current instruments, if they've hoisted enough satellites into orbit, a new study suggests.
What gives Jupiter's Great Red Spot its distinct color? A new study shows why the answer may not be easy to find.
A journal of a Maine reverend reveals detailed sunspot observations during the 1816 "year without a summer."
What do you do if your eclipse glasses haven't arrived, or have been recalled? Here are some other options for safely observing the eclipse.
A relocatable lander could explore the hazy skies of Saturn's intriguing moon Titan, according a new mission proposal.
Life re-emerged at the site of the dino-killing asteroid's impact at roughly the same time it began to thrive around the globe, despite suffering from worse conditions.
Creating clouds in the sky or redirecting sunlight to bring down the Earth's temperature could have an effect on astronomy.