Red dwarf stars might starve alien plants of the quality light they need to...
Red dwarfs make up the vast majority of stars in the galaxy.
Such ubiquity means they host the majority of rocky exoplanets we’ve found so...
How long do civilizations last
It is one of the most famous questions in science, and it was asked, as legend has it, over lunch.
Enrico Fermi, the physicist who...
Scientists discover cost-saving way to build structures on the moon
Scientists are exploring an exciting idea for future space missions: building structures on the Moon using the Moon’s own soil.
A new study shows that...
Giant dying stars create tiny cosmic dust that could form new planets
A new study shows that some of the largest and most powerful stars in the universe are producing incredibly tiny particles of carbon dust—material...
New method may finally resolve the “Hubble tension” puzzle
Scientists have known for nearly a century that the universe is expanding, with galaxies moving away from each other over time.
The speed of this...
Can Martian soil kill Earth microbes? Water bears reveal surprising clues
Scientists are using one of Earth’s toughest microscopic creatures to explore an important question for future space travel: Could the soil on Mars naturally...
6 million years ago something slammed into modern-day Brazil
Giant impacts on Earth's surface can be cataclysmic events with far-reaching consequences. They can excavate massive craters like the Vredefort Crater.
There's also growing evidence...
Early Mars was warm and wet not icy
A recent study showed that Mars was warm and wet billions of years ago.
The finding contrasts with another theory that this era was mainly...
Moon once had a magnetic field stronger than Earth’s—But only for brief moments
For decades, scientists have debated whether the Moon once had a powerful magnetic field like Earth’s or only a weak one.
Now, a new study...
One of the biggest stars in the universe might be getting ready to explode
One of the largest known stars in the universe underwent a dramatic transformation in 2014, new research shows, and may be preparing to explode.
A...