"A three-body problem is extremely complicated. Now we're dealing with four: the sun, Earth, the moon and Mars. The heavy ...

Gravity and motion make time pass faster on Mars than Earth, reshaping navigation, communication, and future crewed missions.

It is something like the "Holy Grail" of physics: unifying particle physics and gravitation. The world of tiny particles is ...

Two clashing ideas about disorder inside black holes now point to the same strange conclusions, and it could reshape the ...