Gemstones like precious opal are beautiful to look at and deceivingly complex. As you look at such gems from different angles ...

Donald Trump said he would not attend an emergency meeting of the G7 in Paris with Emmanuel Macron. The French president had ...

Dust disks around stars where exoplanets form have been imaged for years. However, they become darker and elude research – ...

In Iran, not only mobile and fixed networks are jammed, but also Starlink. We explain how this is likely achieved despite ...

For those long winter nights—or days—when you don’t plan to leave your home, a pair of slippers is a natural choice. It's an ...