Latest Diana Blaney Stories
So begins a night of Mars-watching at NASA's Infrared Telescope Facility atop Hawaii's dormant Mauna Kea volcano. Here, astronomers work by night to discover things that can't be seen by day.
Word of the Day
- The word or words serving to define another word or expression, as in a dictionary entry.
The word 'definiens' comes from the Latin word 'definire', 'to define'.