A new Southwest Research Institute (SwRI) study based on data from NASA's New Horizons spacecraft has uncovered insights into ...

While life on Mars (and Venus) has long been an obsession for those wondering if we're alone, there are other places in our ...

On a clear night, it dominates the sky, bright enough to cast shadows and large enough for dark patches and surface features ...

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The solar system is embedded within the expanding solar atmosphere, i.e., the solar wind, a tenuous plasma, consisting mostly of protons and electrons, continuously emitted by the Sun. Each body that ...

In July 2025, astronomers spotted something remarkable passing through our Solar System, an object that had not come from ...

A rare meteorite has revealed evidence of a massive lost world that once orbited the young Sun before being destroyed in a catastrophic collision. The discovery suggests some early planets formed from ...

The Solar System is far more diverse in size than it appears from Earth. From tiny rocky worlds to massive gas giants, each ...

The findings surprised researchers, who used the comet's composition to better understand the environment in which it formed.

CAPE CANAVERAL, Fla. — Astronomers have discovered a rare in-sync solar system with six planets moving like a grand cosmic orchestra, untouched by outside forces since their birth billions of years ...

Science fiction promises faster-than-light travel and easy journeys to other stars, but physics may have built a prison ...

Estimating ages of specific events is one of the most difficult problems in astrophysics. While we have a precise (and probably accurate) age for the solar system, we do not have precise ages for each ...