New York, Aug 10: Braj B. Kachru, an authority on English as a global language who passed away recently, championed the cause of Indian English as "vibrant expressions of distinct cultural identities" during an academic career at the University of Illinois at Urbana-Champaign that lasted almost half-a-century.

Washington: US space agency NASA is set to test-fire a booster for the world's most powerful rocket Space Launch System (SLS) which will power astronauts on the journey to Mars and on other deeper space missions

London: Understanding the hierarchical structure of biological networks like human brain -- a network of neurons -- could be useful in creating more complex, intelligent computational brains in the fields of artificial intelligence and robotics, says a study.

London: A genome analysis of the plague bacterium revealed how a single entry of the bacterium into Europe was responsible for the Black Plague of the mid-14th century before becoming the source for modern day epidemics around the globe.

New York: Clouds or haze enveloping the atmosphere of exoplanets, including "hot Jupiters", could be preventing a substantial amount of water from being detected by space telescopes, says a study led by an Indian-origin scientist.

London: The Gran Telescopio Canarias (GTC), the world's largest single-aperture optical telescope on the island of La Palma in Spain, has captured an image of a galaxy which is 10 times deeper than any other obtained from the ground.

New York: Melting ice in Greenland is linked to faster warming of the Arctic compared to the rest of the Northern Hemisphere, says a study.

New York: A new computer algorithm developed at Stanford University is enabling scientists to use satellite data to determine groundwater levels across larger areas than ever before, a study says.