In the movies, humans often fear invaders from Mars. These days, scientists are more concerned about invaders to Mars, in the form of micro-organisms from Earth.
Long before Edgar Cortright joined the NACA or became Langley Center Director or even graduated elementary school, he planned a career in aviation.
Of the many lessons to be learned from Edward Snowden, one of them is that the congressional intelligence oversight process did not function properly.
A newfound asteroid safely passed Earth on June 8 from a distance of about 777,000 miles (1.25 million kilometers), more than three times farther away than our moon.
It’s not just Lois Lerner’s e-mails.
The solar wind of particles streaming off the sun helps drive flows and swirls in space as complicated as any terrestrial weather pattern.
1051-1056 of 1056