Highlights from a Sept. 28, 2015, briefing with NASA officials discussing the strongest evidence yet that liquid water flows intermittently on present-day Mars.

How can a substance be a solid, liquid, and gas all at the same time? See the process scientists describe as "The Triple Point."

Britney Spears and Tinashe released a video for the Glory track “Slumber Party” featuring Asghari as the liquid-spilling casanova. Meet Sam Asghari, the personal trainer and fitness model that has sent the Internet into a lustful frenzy.

As a social studies assignment back in elementary school, Meghan Markle and her classmates watched some commercials to assess their messages. A commercial for Ivory Dishwashing Liquid really bothered Meghan because it used the word "her." Meghan took matters into her own hands by writing a letter to

The first free flight of a Morpheus prototype lander was conducted Dec. 10, 2013, at Kennedy Space Center's Shuttle Landing Facility. The 54-second test began with the Morpheus lander launching from the ground over a flame trench and ascending approximately 50 feet, then hovering for about 15 second...

Seven Earth-sized planets have been observed by NASA's Spitzer Space Telescope around a tiny, nearby, ultra-cool dwarf star called TRAPPIST-1. Three of these planets are firmly in the habitable zone. Over 21 days, NASA's Spitzer Space Telescope measured the drop in light as each planet passed in fro