In 1877, when English geologist Henry Clifton Sorby first examined samples of meteorites under a microscope, he saw small, ...

LISA will detect gravitational waves from supermassive black holes that are millions or even billions of times more massive ...

While we have a precise (and probably accurate) age for the solar system, we do not have precise ages for each planet.

This is how to see the ISS, which essentially looks like a starlike point of light that moves across the sky from west to ...

Deep in the heart of Texas, the unsung Southwest Research Institute creates some of the most innovative space technologies.

If the JWST can see galaxies billions of light-years away, why can’t it find the proposed Planet X in our solar system?

Some of SwRI’s most impressive research occurs at San Antonio’s Center for Laboratory Astrophysics and Space Science ...

If you saw the aurora or photos, you might be wondering what exactly was going on. What makes the glow, and the different ...

A newly released study of unusual asteroid orbits strengthens the case for the hypothesized distant, massive Planet Nine.

This nearby galaxy is one of the best spirals in the sky — and represents a historic milestone in our understanding of the ...

Comets PanSTARRS and Olbers are visible in the evening sky and the Moon briefly covers a bright star in the sky this week.

Data from the James Webb Space Telescope (JWST) has shown that exoplanet K2-18b has some of the chemical markers that may ...