Asks John from New York
New stellar speedometers may help astronomers solve some of the universe's biggest mysteries.
Both deadly and benign spore-forming bacteria's genes allow them to eke it out in extreme conditions.
The Mars-bound spacecraft had seven minutes to slow from a blazing Mach 16 to the pace of a gentle breeze – or face destruction.
Is it worth sending people to Mars when robots already go there safely and on the cheap?
More evidence in the debate over the benefits of “good” bacteria in yogurt.
A new study offers a possible solution to the riddle of the antimatter cloud in the galaxy’s core.
- Asks Eric from Baltimore
Questions about possible antibiotic resistance are still unanswered.
– Asks BJ from Santa Monica, California