Perihelion is the point at which an orbiting body is closest to the sun. The word comes from Greek and literally means around ...

Jupiter-like planet 8 UMi b, named Halla, orbits its host red giant star Baekdu closely. The red giant's merger with a white ...

You’ve seen a model of the solar system, with all eight planets (R.I.P. Pluto) revolving around the sun in tidy orbits, but ...

The space rock, known as "2026 AJ" and 40 feet in diameter, is hurtling toward our planet at around 20,500 miles per hour.

New calculations reported by Live Science indicate Jupiter was once much larger and is still contracting as it cools, offering constraints on early solar system conditions.

"We're not saying, and we can't say, that there's no life in Europa. What we're saying is that it's a harder proposition, ...

Jupiter currently shines as a brilliant silvery "star" in the constellation Gemini the Twins, low in the east-northeast sky ...

Jupiter's moon Europa is on the short list of places in our solar system seen as promising in the search for life beyond ...

According to @ai_darpa, an AI-generated visualization demonstrates how the orbital period ratio between Mars and Jupiter creates a spirograph-like pattern over centuries, highlighting a new approach ...

TV and home video editor Ty Pendlebury joined CNET Australia in 2006, and moved to New York City to be a part of CNET in 2011. He tests, reviews and writes about the latest TVs and audio equipment.

A new timing-based method reveals that some hot Jupiters followed a calm, disk-driven path toward their stars rather than a chaotic one. Their orderly orbits and stable planetary neighborhoods ...

The first exoplanet ever discovered in 1995 was what we now call a “hot Jupiter”, a planet as massive as Jupiter with an orbital period of just a few days. Today, hot Jupiters are thought to have ...