How Strong is the Force of Gravity on Earth?
Earth's familiar gravity - which is 9.8 m/s², or 1 g - is both essential to life as we it,…
Cassini’s First Ring-Grazing Orbit A Success
The Cassini mission has begun its final phase and has completed its first ring-grazing orbit around Saturn.
Two New Books From Universe Today Writers, Just in Time for the Holidays
Looking for great holiday gifts for that special someone who is interested in space and the stars? Two writers for…
‘Insufferable’ Moonwalker Buzz Aldrin Recovering From ‘Record Setting’ Antarctic Expedition Emergency Evacuation
Buzz Aldrin - the second man to walk on the Moon - is recovering nicely today in a New Zealand…
Quasar Light Confirms Consistency Of Electromagnetism Over 8 Billion Years
The ESO has released spectral data obtained by the Very Large Telescope, which studied a distant qausar to determine how…
Our Guide to the 2016 Geminid Meteors: Watching a Good Shower on a Bad Year
One of the best yearly meteor showers contends with the nearly Full Moon this year, but don't despair; you may…
Astronomy Cast Ep. 430: Coming Home from Mars, Part 2
Landing on the surface of Mars is very difficult. In fact, it's probably the toughest planet to land on in…
SpaceX ‘Return to Flight’ Set For Dec. 16 with Next Gen Iridium Satellites – 3 Months After Pad Explosion
Only three months after the catastrophic launch pad explosion of their commercial Falcon 9 rocket in Florida, SpaceX has set…
What is the Weather like on Venus?
The weather on Venus is incredibly hostile, characterized by extreme temperatures, acid rain, lightning storms and powerful winds.
Russian Progress Cargo Ship Launch Failure Deals Setback to ISS
KENNEDY SPACE CENTER, FL - An unmanned Russian Progress resupply ship bound for the International Space Station (ISS) was lost…