Space & Future
Nearby galaxies suggest the universe may be expanding more slowly than thought
For decades, scientists have tried to measure how fast the universe is expanding.
This expansion rate is known as the Hubble constant, and it plays...
Astronomers discover powerful “cosmic laser” shining from halfway across the universe
Astronomers using a powerful radio telescope in South Africa have discovered an extraordinary cosmic signal coming from more than 8 billion light-years away.
The signal...
Astronomers discover alcohol-rich interstellar comet passing through our solar system
Astronomers studying a rare interstellar comet have discovered something surprising: it contains unusually large amounts of methanol, a type of alcohol.
The discovery offers a...
Why are some stars always visible while others come and go with the seasons
As a space scientist, every time I go outside with my family, I tell my children to look up at the sky.
The front door...
Can life grow on the moon or Mars? New experiments offer surprising clues
As scientists plan future missions to the Moon and Mars, one major question remains: could humans grow food or even support life on these...
What’s inside a neutron star? New study points to answers in gravitational waves
Neutron stars are among the most mysterious objects in the universe.
Formed when massive stars collapse after exploding as supernovae, these incredibly dense objects pack...
Scientists decode ancient magnetic signals in asteroid Ryugu samples
Scientists studying tiny samples from the asteroid Ryugu have uncovered new clues about the magnetic environment that existed when the solar system first formed.
The...
How old is the universe? The oldest stars in the Milky Way may hold...
How old is the universe?
Scientists have long tried to answer this question, but different measurement methods have produced conflicting results.
Now, researchers from the University...
The coldest ‘stars’ in the galaxy might actually be alien megastructures
Ever since physicist Freeman Dyson first proposed the concept in 1960, the "Dyson sphere" has been the holy grail of techno-signature hunters.
A highly advanced...
Scientists spot unexpected cold region inside Jupiter’s northern lights
Jupiter’s northern lights are the most powerful in the solar system, but new observations from the James Webb Space Telescope (JWST) have revealed surprising...
Mars Express reveals a landscape filled with ancient craters on the red planet
A new image captured by the Mars Express orbiter offers a striking view of one of the most heavily cratered regions on Mars.
The image...
Scientists discover super-tough microbe that could survive a journey from Mars to Earth
Life on Earth may not be as isolated as we once thought. New research from Johns Hopkins University suggests that tiny life forms could...
Deep Space
NASA’s Fermi space telescope offers best look ever at giant flare
An intense flash of light from an erupting neutron star in a nearby galaxy in April 2020 has given astronomers their first clear look...
New calculations offer a closer peek at Pluto’s ocean
New calculations are bringing an ocean of liquid water deep beneath the icy surface of Pluto into focus, a new study shows.
In a paper...
James Webb Telescope’s new Saturn image reveals stunning details
If you're a fan of the mysteries that lie in our solar system, get ready to be amazed!
The latest image from the James Webb...
Saturn shows mysterious “beads and stars” in its atmosphere
For decades, Saturn has fascinated scientists with its rings, storms, and unusual north-pole hexagon.
Now, the James Webb Space Telescope (JWST) has uncovered something even...
Our Milk Way’s halo is at least 10 times hotter than previously thought
The halo that surrounds our own Milky Way galaxy is much hotter than scientists once believed - and it may not be unique among...