Harvard and Smithsonian (CfA), and its Submillimeter Array (SMA), were critical for identifying a cache of belts surrounding other stars beyond the sun where comets may reside. Regions around 74 stars ...

Gaining insight could help understand the timing and process of life's emergence. A research team led by a Rutgers-New ...

Scientists believe that two asteroids might be fragments of long-lost "planetary embryos" from the early solar system.

Aliens could be lurking in hard-to-reach spots on other worlds, according to a new study. The research looked at the oceans ...

The OSIRIS-REx mission returned to the sample to Earth in September of 2023, and these studies show that it contains amino ...

HD 20794 d, with a mass six times that of Earth, orbits a star similar to our sun. The planet’s location within the habitable ...

Scientists believe the exoplanet HD 20794 d, six times the mass of Earth, could harbour liquid water on its surface.

An asteroid becomes a meteorite when it travels to Earth from a nearby orbit or the outer solar system and collides with Earth, according to the United States Geological Survey. Small asteroids ...

A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien astronomers could also be scanning Earth.

New research reveals that Earth and Mars lost essential elements due to violent cosmic collisions, not early planetary ...

In October 2020, a van-sized robotic spacecraft briefly touched down on the surface of Bennu, a 525-meter-wide asteroid 320 million kilometers from Earth.

Countless celestial objects traverse the cosmos, each with its own unique characteristics and potential impact, literally, on Earth. Among ...