A groundbreaking study published in Communications Earth & Environment has called into question the long-standing assumptions ...

A small, inconspicuous meteorite may be about to change our understanding of how and when our solar system formed. Tiny shavings from the meteorite Northwest Africa 12264 are challenging the long-held ...

How did Earth, alone among the solar system's rocky planets, become the home for life? How, among all this frigid ...

With four planets in retrograde 2024 as winter solstice approaches, you don't need to be concerned. You simply need to be aware. Here's how.

Are planets in the solar system that are closer to the Sun older than the ones further away? ... The inner planets, including Earth, took at least 100 million years, maybe more.

The inner planets are "probably rocky and may have thin atmospheres," NASA said, while the five outer planets are expected to have thick atmospheres. Artist's concept of Kepler-385, ...

Rocky bodies called protoplanets were thought to have formed slightly earlier in the inner solar system than those beyond the ...

Astronomers have gotten a sneak peek at what could be Earth's ultimate fate in about 5 billion years when the sun reaches the end of its life and engulfs the solar system's inner planets ...

Astronomers have discovered six planets orbiting a bright star in perfect resonance. The star system, 100 light-years from Earth, was described on Wednesday in a paper published in the journal ...

Our best simulations so far capture only the general picture of the inner planets' formation, a roughly 100 million-year-long period in which small planetesimals collided to form the planets we ...

Jupiter is considered an outer planet, so its effect on day-to-day life is less intensely felt than inner planets like Venus and Mercury. Jupiter’s pull is more closely related to broad life ...

Scientists have determined that Mercury, the closest planet to the sun, may contain a 10-mile thick mantle layer of diamonds based on data from NASA’s MESSENGER space probe, Space.com reported.