Earth was already moving 3.5 billion years ago, study finds

The story of our planet is written in the slow movement of its surface. Over billions of years, shifting tectonic plates have shaped continents, opened...

How will Martian gravity affect skeletal muscle

NASA and the China National Space Agency (CNSA) plan to send astronauts to Mars as early as the next decade. Naturally, this ambitious goal requires...

This pair of brown dwarfs can’t get enough of each other

Binary stars are known to transfer mass to one another. In extreme cases, mass transfer can even cause a supernova explosion. That happens when...

When two ‘failed stars’ team up to light the sky

Brown dwarfs are often called “failed stars” because they are too small to keep nuclear fusion going in their cores, the process that makes...

Scientists discover “rotten egg” planet with a massive ocean of lava

Astronomers have discovered a strange new kind of planet beyond our solar system—one that may be covered by a vast, long-lasting ocean of molten...

A giant space rock’s scars may reveal how planets were born

Asteroid 16 Psyche has puzzled scientists for more than 200 years. Now, new research suggests that its large craters could hold the key to understanding...

A “cotton candy” planet wrapped in haze leaves scientists puzzled

Astronomers have taken a closer look at one of the strangest planets ever discovered, and it is raising more questions than answers. The planet, called...

Scientists discover one of the oldest stars ever, with almost no iron

Astronomers have discovered one of the oldest and most primitive stars ever found, offering a rare glimpse into the early universe. The star, named PicII-503,...

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...