Nuclear war is much more unpredictable than asteroids, but, unlike the dinosaurs of 66 million years ago, humans can avoid causing their own extinction.

As Elon Musk's SpaceX works toward a May 19 debut of its third-generation Starship, here's a look back at all the previous test flights to date.

US officials have said a nuclear detonation would render portions of low-Earth orbit useless for up to a year.

According to the US Department of Energy, nuclear thermal propulsion can reduce travel times to Mars by up to 25% and, more ...

A Russian ship that sank after its engine room exploded in the Mediterranean could have been carrying parts for nuclear reactors used in submarines, according to Spanish government documents.

When atmospheric chemists Paul Crutzen and John Birks added smoke into their computer models of nuclear war scenarios, they ...

We look at some of the major recent and upcoming science and technology achievements made possible by Indian talent.

On Pokharan anniversary, we look at how India's techno diplomacy saved it from meeting the same fate as what is happening to ...