Why are the stars, planets and moons round, even as comets and asteroids are irregular in shape?

The answer boils down to the influence of gravity.

Jonti Horner, The Conversation

· Jul 17, 2021 · 11:30 pm

Could a meteorite really have killed a bus driver in Vellore?

At first, it was thought that the explosion was caused by the inadvertent detonation of material at a building site.

Monica Grady, The Conversation

· Feb 10, 2016 · 12:00 pm

The sun won't die for 5 billion years, so why do humans have only 1 billion years left on Earth?

By the time the sun becomes a red giant, we humans should figure out how to move to the Red Planet.

Jillian Scudder, The Conversation

· Feb 16, 2015 · 04:30 am