Updated measurements from NASA’s Juno spacecraft could help researchers better understand the planet's mysterious interior, ...

Twin siblings, twin peaks, twin cities, twin planets... Two earths, one solar system. How would that work?

The curious minds at What If imagine a second Earth hiding in our solar system, exploring how it could exist and its effects ...

Amino acids, the building blocks necessary for life, were previously found in samples of 4.6-billion-year-old rocks from an asteroid called Bennu, delivered to Earth in 2023 by NASA's OSIRIS-REx ...

A strong solar flare peaked just after 9 a.m. Tuesday. What does that mean?

Close-up observations of the Sun explain how solar flares start, grow, and send high-energy particles racing through space.

For life to develop on a planet, certain chemical elements are needed in sufficient quantities. Phosphorus and nitrogen are ...

Ancient Scottish rocks prove Earth had seasons and climate cycles even during Snowball Earth period despite near total ...

This hyperbolic Oort Cloud comet, on an inbound journey spanning millions of years, reached perihelion, closest position to ...

Fired from a vast sunspot, the "coronal mass ejection" is expected to reach Earth on either Thursday or Friday this week.

The similarities are astonishing. And yet... The post NASA Telescope Discovers Nearby Planet With Deep Similarities to Earth ...

A solar flare is an extremely bright flash of radiation. It occurs when magnetic energy associated with a sunspot is suddenly ...