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Of the eight known planets in the Solar System, Mercury is the smallest and closest to our star, the Sun. Mercury has been known since the time of ancient Babylon, in the 14th century BC. Its name ...

Under this new model, Titan itself is the result of a collision between two earlier moons: a large body called “Proto-Titan,” nearly as massive as modern Titan, and a smaller companion dubbed ...

Russia-aligned groups are the probable culprits behind wiper attacks against renewable energy farms, a manufacturer, and a ...

An inside-out planetary system around the star LHS 1903 is turning everything that astronomers know about planet formation upside down.

Ed Miliband has approved plans for new solar farms that could cover an area of farmland nearly as large as Manchester.

The city is demanding about $20 million in penalties and restitution from Radiant Solar, the largest sum it has ever sought from a home improvement contractor. By Andy Newman Arthur Klein first ...

Every once in a while, the outer solar system reminds us that we've only discovered a negligible portion of it, and that the vast majority is still full of surprises. The latest example of this is a ...

The first few exoplanets were discovered in the early 1990s. But it wasn’t until the early 2000s, when astronomers began carrying out large-scale, long-term surveys of other stars, that we started to ...

HELSINKI — China has published coordinated papers outlining dual missions to the solar system’s edge, suggesting the long-studied project is nearing formal approval. A lead paper on the design and key ...

Professor of Earth, Environmental, and Planetary Sciences, University of Tennessee If you’ve seen illustrations or models of the solar system, maybe you noticed that all the planets orbit the Sun in ...

Astronomers have seen the aftermath of two planetary pile-ups in the same turbulent star system — providing potential insights into how planets form 1. Observations from the early 2000s indicated that ...