The next robotic rover to explore Mars in 2020 should scour the surface of the red planet more closely than ever for signs of past life, a NASA science team said Tuesday.

Facial flushing can feel confusing, embarrassing, or even alarming—especially when it seems to come out of nowhere. One ...

Since humanity's first steps on the moon, the aspiration to extend human civilization beyond Earth has been a central objective of international space agencies ...