"Polar vortex" takes aim on United States with dangerous life-threatening temperatures. National Weather Service warned that much of the US will see coldest temperatures in about 20 years as an arctic cold front descends.
A fresh blast of arctic air
Earth is entering a stream of debris from Comet 3200 Phaethon, source of the annual Geminid meteor shower. This year's meteor shower peak is expected around December 13/14. Visual meteor rates are still low, but first meteorids will start appear in
Shallow M 6.3 earthquake (USGS/EMSC) hit Kepulauan Barat Daya, Indonesia at 01:24 UTC on December 1, 2013. Epicenter was located 343km (213mi) WNW of Saumlaki, Indonesia and 351km (218mi) ENE of Dili, East Timor at depth of 10 km (6.2 miles).
According to recently published study, two massive subglacial lakes have been discovered 800 meters beneath surface of the melting Greenland Ice Sheet. Lakes discovered by researchers from the Scott Polar Research Institute (SPRI) at the University of
Just as we all accepted that the Comet ISON has most likely disintegrated under the high heat and gravitational stress of the Sun, amazing sungrazer came ALIVE, gaining more brightness. Thousands watched ISON's journey through the solar system and its unusual
Spectacular lava bubbles over the New SE crater announced 18th paroxysm of Mt. Etna in Italy. The eruption continues to increase and there are now at least 2 vents producing lava fountains. A tall ash plume triggered the temporary airspace closure over
Mount Etna, Europe's most active volcano, has erupted again, less than a week from it's last eruption. In the morning of November 23, 2013 the 17th paroxysmal eruptive episode occurred at the cinder cone east of Etna's Southeast Crater. Continuous
An impulsive M1.1 solar flare was detected around departing Sunspot 1899 at 02:32 UTC on November 23, 2013. The source was actually a newly numbered Region 1904 (N12W60, Dai/beta-gamma). This region appeared to have enough of a separation in SDO HMI/Magnetogram imagery
An unusually early-season tropical cyclone developed in the Indian Ocean between Indonesia and Western Australia and will continue its slow journey eastward, reaching the northwestern part of the Australia by the end of the weekend.
The Australian cyclone
Tropical Cyclone Helen, accompanied by strong winds and heavy rain, has made landfall near Machilipatnam, across the Andhra Pradesh in India. 8,000 people have been evacuated to safer places while two persons were killed in separate rain-related
