Oxygen is vital to many medical procedures. But a safe, affordable supply is severely lacking around the world, according to a new report. By Apoorva Mandavilli At the height of the Covid-19 ...

The Curious Reason Some Icebergs Are Green “[The ‘Pale Blue Dot’] description is a consequence of the Rayleigh scattering of sunlight in the atmosphere, in conjunction with the reflection ...

This afternoon will remain mild and breezy, with cloudy skies throughout, and a few light spells of rain and drizzle about. The chance of a few heavier showers at times too. Tonight This evening ...