Amazing answers to your curious questions

What is a gamma-ray burst? Gamma-ray bursts (GRBs) are intense sources of high-energy radiation that we detect on Earth in the form of gamma rays. They were first detected in the 1960s by US military

How high up is the lowest level of ...

An unusual spacecraft reached orbit in November 2025, one that might herald the dawn of a new era. Called Starcloud-1, it was the size of a small fridge and carried an advanced NVIDIA chip designed to

The future of Greenland has dominated the headlines in recent weeks, but increasingly the real action, both commercially and militarily, is taking place hundreds, even hundreds of thousands of miles a

HUMANITY HAS CHANGED AN AWFUL LOT IN THE PAST 58 YEARS. THE MOON? NOT SO MUCH. It was in 1968 that astronauts first drew near the moon, and it will be early this year, if all goes as planned, that a c