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 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...

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...

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...

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...

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...

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...

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 largest known stars in the universe underwent a dramatic transformation in 2014, new research shows, and may be preparing to explode. A...

Astronomers have captured the most detailed view ever of the center of our Milky Way galaxy, revealing a tangled web of cold gas filaments...

When the venerable Hubble Space Telescope made its Deep Fields studies of the early Universe, it discovered something that would puzzle astronomers to this...

Scientists have discovered that the colorful light shows seen above Earth’s poles also occur on Ganymede, Jupiter’s largest moon—and they behave in strikingly similar...

Phosphine, a molecule known on Earth for its smelly and toxic nature, may be a sure sign of alien life if detected in nearby...

The James Webb Space Telescope (JWST) was involved in yet another first discovery recently available in pre-print form on arXiv from Cicero Lu at...

Scientists at the National Solar Observatory have predicted the emergence of a new sunspot group just in time for Thanksgiving. Using a technique called helioseismology,...

In the constellation of Orion, there is a brilliant bluish-white star. It marks the right foot of the starry hunter. It’s known as Rigel, and...

Astronomers have identified two different cases of "mini-Neptune" planets that are losing their puffy atmospheres and likely transforming into super-Earths. Radiation from the planets' stars...