The US has dispatched so many massive warships to the Caribbean that observers are questioning whether this is just about combating drug smuggling. Venezuela is particularly concerned. The aircraft ...

Early November presents Mercury and Mars in the western twilight sky, featuring a conjunction on the 12th and a close proximity to Antares before their mid-month disappearance due to solar proximity; ...

New research reveals that Earth's Northern Hemisphere is growing darker faster than the Southern Hemisphere is. Bill Anders, Public domain, via Wikimedia Commons Earth has been dimming for decades, ...