Astronomers have just identified what appears to be a cosmic anomaly: a faint galaxy with so few visible stars that, according to calculations, as much as 99.9 percent of its mass is dark matter. The ...

An accomplished Caltech astrophysicist with more than four decades of research contributions in galactic astronomy and the ...

Finding Earth’s exact position in the galaxy took centuries of observation and innovation. This story follows astronomers as ...

In late winter, the zodiacal light is visible in the evening in the Northern Hemisphere (false dusk) and in the pre-dawn ...

In a conventional system like our own, rocky planets such as Mercury, Venus, Earth, and Mars orbit closest to the host star. Farther out, gas giants ...

Our solar system may be the odd one out. Across the Milky Way, astronomers keep finding super-Earths, planets larger than our ...

The earth and the heavens are connected to each other. The light and the heat, the blessings and the mercy in form of rain for instance, come down from the skies. According to the consensus of ...

Discover how our solar system sits within the thin disk of the Milky Way and what this structure reveals about the formation ...

What if the Milky Way’s central “black hole” isn’t a black hole at all? A new model proposes that an ultra-dense dark matter core could mimic its gravitational pull.

A Harvard scientist has suggested that our Solar System may be far more crowded with interstellar objects than anyone realized.

Astronomers at the University of Alabama in Huntsville may have found the closest evidence yet of a hidden clump of dark ...