As of three point eight billion years ago, Mars had already lost much of its atmosphere.
When winter comes, how can you tell if you're safe or on thin ice? Find out on today's A Moment of Science.
Heating water in the microwave seems quick and easy, but you may be taking a dangerous risk.
So exactly how does salt melt ice? Find out on this Moment of Science.
Ever wonder why icicles are wavy? Find out on this Moment of Science.
Clouds form when warm, moist air rises to a greater altitude, causing it to expand and cool. Eventually, water vapor in the cooled air condenses into the droplets that form clouds.
Can fish and other aquatic creatures really survive in a state of suspended animation until spring?