Astronomers discover giant ‘bow and arrow’ galaxy stretching 1.8 million light-years across
Astronomers have discovered a strange and spectacular galaxy that looks like a giant bow and arrow stretching across space.
The unusual object, named RAD-BAARG (Bow-And-Arrow...
The long-lived Chicxulub hydrothermal system lasted 8 million years
When a massive, ten-kilometer asteroid slammed into Earth about 66 million years ago, it created a massive crater.
The impact triggered a megatsunami and a...
Did gravitational tides cause Earth’s extinctions?
Life on Earth took a long evolutionary journey that eventually created us, the purportedly intelligent species that dominates the planet.
But there was no grand...
Scientists discover magnetic fields guiding the birth of stars
How do stars form?
Scientists know that stars are born when huge clouds of cold gas in space collapse under their own gravity.
But one mystery...
Scientists Warn Some Earth Pathogens May Survive a Journey to Mars
Could microbes from Earth survive on other worlds? New research suggests that the answer may be yes.
Ph.D. candidate Tommaso Zaccaria studied whether tiny organisms...
Iconic cosmic collision challenges long-held ideas about dark matter
The Bullet Cluster is one of the most famous objects in astronomy.
For years, many scientists have considered it one of the strongest pieces of...
Scientists find a new way to search for ancient life on Mars using ‘mirror’...
Billions of years ago, Mars looked very different from the cold, dry world we see today. Scientists believe the Red Planet once had a...
Mysterious cosmic rays are challenging what scientists thought they knew about the universe
Millions of years ago, a massive star exploded somewhere far away in our galaxy.
During this violent event, called a supernova, the dying star blasted...
The universe’s famous ‘pink planet’ has salty clouds in its sky
Astronomers have discovered an unexpected surprise on the famous “Pink Planet,” a strange world known as GJ504b.
Using the powerful James Webb Space Telescope (JWST),...
New Mars rock discovery could reveal secrets of the red planet’s ancient past
Scientists have discovered a completely new type of rock from Mars and, for the first time, identified the mineral garnet in a Martian sample.
The...