Calm before the storm. Donald E. Davis / NASA
The asteroid that wiped out the dinosaurs set off an intense heat wave that briefly boiled the Earth’s atmosphere – but it didn’t burn off all the plants.
Humanity has not been unlucky enough to observe at first hand the effects of a large impact, so to investigate whether a massive asteroid would spark off a global wildfire we had to turn to the laboratory. We have modelled, for the first time, the heat generated by the impact and what it meant for the planet’s plants. Our research is published in the Journal of the Geological Society.
Lights go out, internet is cut for days, and agriculture is suffering as crisis spreads from São Paulo to Rio de Janeiro and beyond
The taps have run dry and the lights have gone out across swathes of Brazil this week as the worst drought in history spreads from São Paulo to Rio de Janeiro and beyond.
More than four million people have been affected by rationing and rolling power cuts as this tropical nation discovers it can no longer rely on once abundant water supplies in a period of rising temperatures and diminishing rainfall.
What a question even to ask! But – someone, something—perhaps conspiracies—as many are encouraged by the global media to believe – truly have brought the planet and humankind out of mediaeval misery, but equally into profoundly dangerous circumstances. However, not many who, apparently, are responsible for Planet Earth, aka Mother Earth—Gaia, being trashed before our very eyes, either are fessing up or getting their respective or collective recognition, and all while continuing to profit from poisoning our dying planet.
An enormous impact crater thought to have been created by a meteorite the size of a house smashing into Earth has been discovered in the Antarctic ice sheet.
Scientists conducting a routine aerial research flight above East Antarctica noticed a strange ring-like structure in the normally flat and featureless ice.
It appeared to be a series of broken 'icebergs' surrounded by a 2km (1.24 miles) wide circular scar, surrounded by a few other smaller circular scars in the ice.