Atmosphere
The Lowdown on September’s Harvest Moon
Friday night will feature a big orange Harvest Moon rising in the eastern sky at sunset. You don't want to…
ESA Discovers Where All The Missing Socks Have Been Going
Thanks to the ESA's Cluster mission, scientists now know that part of the plasma found in our magnetosphere is coming…
Winged Telescope Detects Martian Atomic Oxygen
The airborne observatory SOFIA has detected atomic oxygen in Mars' upper atmosphere. It's been 40 years since oxygen has been…
What Causes Air Pollution?
Air pollution is a major issue facing us Earthlings, and knowing its causes (both natural and man-made) is a key…
The 2015 Geminids: Observing, History, Imaging, Prognostications and More
A grand finale meteor shower graces the skies of the Earth this weekend, as the December Geminid meteors reach their…
Spectacular Breakup of WT1190F Seen by Airborne Astronomers
Clouds hampered observations from the ground in Sri Lanka during the re-entry of WT1190F overnight, but a team of astronomers captured…
From a Roar to a Purr: Prospects for the 2015 November Leonid Meteors
A November rain hails from the Sickle of the Lion. Hot on the heels of the October Orionids and the…
Hubble Sees Changes in Jupiter’s Red Spot, a Weird Wisp and Rare Waves
Jupiter global map created from still images from the Hubble Space Telescope It's been widely reported, including at Universe Today, that…
Why Was September’s Lunar Eclipse So Dark?
First off, a huge thank you to everyone who made and sent their Danjon scale estimate of the totally-eclipsed Moon's brightness to…
US Braces for Cat 4 Hurricane as ‘Joaquin’ Barrels to East Coast and ULA Readies 100th Launch on Oct. 2: Watch Live
https://youtu.be/gtDL3eparOk Video caption: This animation of images captured from September 29 to October 1, 2015 from NOAA's GOES-East satellite shows…