NASA's Swift space telescope crashed back to Earth today (Nov. 4), three months after a private spacecraft was supposed to boost the observatory to a higher orbit.

Scientists have long suspected that Mars is geologically "dead" but new spacecraft observations suggests the Red Planet's volcanoes are merely sleeping.

"It could have a strong impact not only on self-driving cars but also on drone positioning."

Over 1,400 students gathered in Hawaii recently to learn about astronomy as part of the annual Journey Through the Universe program.

The U.K. startup Shield Space is racing to apply the lessons of drone warfare in Ukraine to develop swarms of up to 100 autonomous, satellite-defending cubesats.