Did Cosmic Dust Deliver the Phosphorus Needed for Life?
Without phosphorus, there's no life. It's a necessary part of DNA, RNA, and other biological molecules like ATP, which helps…
Comet A1 Leonard Brightens in December
Now is the time to start tracking Comet C/2021 A1 Leonard, as it starts its dawn dive sunward.
Here are Hubble’s 2021 Photos of the Outer Solar System
If we had to rely solely on spacecraft to learn about the outer planets, we wouldn't be making great progress.…
Once New Horizons was out Beyond Pluto, it Could Finally Measure the Brightness of the Milky Way
The New Horizons spacecraft has been speeding away from Earth since it launched in 2006. Scientists using the Alice UV…
South Korea Launches its First Rocket. The Third Stage cut off Short.
So far, only six countries have successfully launched more than 1 ton of equipment into space using domestically developed rockets. …
If Alien Probes are Already in the Solar System, Maybe we Could Detect Them Calling Home
According to a new study, alien probes may permeate the galaxy, and could be detected in the Solar System when…
Is That a Fossil on Mars? Non-Biological Deposits can Mimic Organic Structures
There's nothing easy about searching for evidence of life on Mars. Not only do we somehow have to land a…
You can Watch Ingenuity’s Flight on Mars, Captured by Perseverance
New video beamed back to Earth from the Perseverance Rover shows an incredibly detailed view of the Ingenuity helicopter’s flight…
We’re Constantly Battling Invasive Species Here on Earth. What Does That Teach us About Infecting Other Worlds With Earth Life?
When Neil Armstrong, Buzz Aldrin, and Michael Collins returned from the Moon in the summer of 1969, they spent three…
There’s Enough Oxygen in the Lunar Regolith to Support Billions of People on the Moon
In recent article, soil scientist John Grant discusses the ways in which we could harvest abundant amounts of oxygen directly…