WEST LAFAYETTE, Ind. — The organic ingredients to life, hints to where Earth’s water came from, and the fundamental building blocks of our planet and the solar system seem like a lot to fit in 4 ...

The discovery that helium and iron can mix at the temperatures and pressures found at the center of Earth could settle a long-standing debate over how our planet formed. When you purchase through ...

Asteroids, the enduring remnants of early Solar System formation, offer invaluable insights into the processes that shaped planetary evolution. Their diverse orbits, sizes and compositions not only ...

Exoplanets are planets outside Earth's solar system. In 1995, a gas giant named 51 Pegasi b, which orbits a star similar to Earth's sun, etched its name in history as the first exoplanet ever ...

There's something big missing from our solar system — and that may be a good thing. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Planetary ...

Plate tectonics give rise to Earth's mountain ranges, earthquakes and the long-term movement of continents, and may even have provided the right conditions for life on Earth. But as far as we know, no ...

Yeimy J. Rivera receives funding from NASA's Parker Solar Probe project through the SAO/SWEAP subcontract 975569. Tatiana Niembro receives funding from NASA's Parker Solar Probe project through the ...

A newly discovered interstellar comet is hurtling around us, only the third interloper object to be observed in our solar system. It is not expected to pose an impact risk to Earth, but telescopes ...

A comet known as 3I/ATLAS made news in July when it was confirmed to have originated outside Earth's solar system. One ...

As a NASA spacecraft whizzed away from Earth at 40,265 mph, it took a brief moment to look over its robotic shoulder at how far it's traveled. Psyche, a mission and orbiter named after its space ...

Alpha Centauri, the nearest star system to the sun, is probably shedding comets and asteroids into our solar system — and even producing a few meteors in our sky. Located just 4.3 light-years from ...

A controversial attempt to test solar geoengineering technology in California was abruptly shut down earlier this year after city officials discovered the experiment had been kept secret — despite ...