Rings in the Early Solar System Kept our Planet From Becoming a Super-Earth
A team led by Rice University has created a new model of planetary formation that answer how the Solar System…
Nearby Supernovae Were Essential to Life on Earth
It's almost impossible to comprehend a supernova explosion's violent, destructive power. An exploding supernova can outshine its host galaxy for…
What is the Arecibo Message?
In 1974, the famous Arecibo Message was sent into space, humanity's first and only attempt at messaging extraterrestrial intelligence.
The Early Earth was Really Horrible for Life
Earth has had a long and complex history since its formation roughly 4.5 billion years ago. Initially, it was a…
SpaceX Tests its Starship-Catching Launch Tower
If you thought landing a used rocket booster on a barge or a landing pad was crazy idea, take a…
Now we Know why Spaceflight Affects Your Eyes
70% of astronauts who spend time on the International Space Station (ISS) experience swelling at the back of their eyes,…
The Surface of the Moon is Electrically Charged, Which Could Allow a Hovering Robot to Explore it
A team from MIT has developed a concept for a robotic mission that would use ion beams to levitate on…
Webb’s Mirror Now Fully Unfolded. Prepare to Witness the Power of This Unprecedented Space Telescope
The James Webb Space Telescope primary mirror is now fully unfolded, which successfully completes the mission's major deployments. The starboard…
Astronomers Discover a Totally New Kind of Nebula
Most Universe Today readers are familiar with nebulae. They're gaseous structures lit up with radiation from nearby stars, and they're…
A New Image Reveals Orion’s Flame Nebula in Infrared
The ESO has released some stunning new images of Orion's Flame Nebula. They're from a few years ago but are…