Researchers analyzed 235,000 satellite images, taken between 1984 and 2018, and noticed how the US rivers have been changing colors over the last three decades.
With the growing number of space junk posing risk to functioning satellites and the ISS, Japan is developing a wooden satellite that can withstand the harsh space environment.
China bet big on its vaccine diplomacy to befriend scores of poor nations but with poor records and failure to offer complete vaccine data, it is failing.
As per the Rosstat statistics agency's report, Russia's COVID-19 death toll is around 186,000, making it the third-worst hit country in the world after the US and Brazil.
According to a study by Russian researcher Leopold Lobkovsky, great earthquakes in the Aleutian Arc caused abrupt temperature rise in the Arctic region.