• Over 40 deaths across the Philippines as flood threats rise again

    The Philippines archipelago suffered another hit of severe weather, as heavy rainfalls battered the area on December 19, 2015. The government declared a state of national calamity, following a rising threat of aggravating floods across the region previously affected…

  • Nacreous clouds appear around the Arctic Circle

    Sky watchers are observing an outbreak of polar stratospheric clouds or PSCs around the Arctic Circle, SpaceWeather reports. Unlike normal grey-white clouds, which hug Earth's surface at altitudes of only 5 to 10 km (3.1 – 6.2 miles), PSCs float through the…

  • Devastating freak storm wreaks havoc across Sydney, Australia

    An intense thunderstorm accompanied with heavy rainfall, damaging winds and large hail ravaged Sydney, Australia on December 16, 2015. The freak storm triggered flooding across the affected areas while strong winds and a tornado wreaked havoc, causing severe…

  • New research indicates different composition of Earth’s mantle

    Seismic observations of our planet's interior have revealed three distinct structures, marking the boundary between its metallic core and silicate mantle. The structures include remnants of subducted plates from the Earth's surface, ultralow velocity zones…