Paper demonstrates solar activity was at a grand maximum in late 20th century: ‘Solar activity measured by isotope proxies revealed end of 20th century was highest activity in 1200 years’
Astronomers are winding back the clock on the expanding remains of a nearby, exploded star. By using NASA's Hubble Space Telescope, they retraced the...
Indonesia's Mount Semeru has erupted, pouring ash and smoke an estimated 5.6km (3.4 miles) into the sky above Java, the country's most densely populated...
