British Columbia wildfires in 2017 created a massive cloud that circled the Northern Hemisphere Photo: An enormous cloud of smoke from intense wildfires drifted over northern Canada on August 15, 2017. The image is a mosaic composed from several satellite overpasses because the affected area was so large. Image: NASA Earth Observatory Extreme […]
Photo: ESO’s Very Large Telescope’s Sphere instrument obtain the sharpest images of a double asteroid as it flew by Earth on 25 May. The left-hand image shows SPHERE observations of Asteroid 1999 KW4, artist impression right. Image-ESO VLT observes a passing double asteroid hurtling by Earth at 44,000 MPH The International Asteroid Warning Network (IAWN) […]
On April 22, more than 1 billion people in 192 countries are expected to take part in a global day of political and civic action for the Earth. People will march, plant trees, clean up their cities, parks, beaches and waterways, politicians will announce policies, and corporations will pledge to work toward sustainability — […]
When the Chicxulub asteroid smashed into Earth 65 million years ago, the event drove an abrupt and long-lasting era of global warming, a new study reports. The results , published in the May 25 issue of Science, suggest that the asteroid impact caused a rapid temperature increase of 5 degrees Celsius (roughly 9 degrees Fahrenheit) that endured for […]