"The extraordinary results are an essential step toward understanding the initial conditions that lead to the formation of ...

For the dwarf planet candidate, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical Planet Nine.

Scientists may have discovered a dwarf planet far beyond Neptune — an unearthing that may disprove a longstanding theory ...

NASA’s original mission plan for Spirit called for the rover to last 90 sols (solar days on Mars) and to drive a total of 0.4 miles. Spirit actually operated for ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to [email protected]. Are planets in the solar system that are closer ...

Jupiter, the largest planet in the ... in the journal Nature Astronomy, rewinds the clock to just 3.8 million years after the first solid objects formed in the solar system and the cloud of ...

Today, it’s believed that Jupiter and Saturn, the largest planets, were the first to fully form, both within a few million ...

For years, astronomers have been searching for a ninth planet in our solar system (after giving Pluto ... study lead author Terry Phan, an astronomy doctoral student at the National Tsing Hua ...

Pluto was reclassified as a dwarf planet in 2006. Our solar system may have a ninth planet ... In 1983, the Infrared Astronomy Satellite surveyed the universe for a year. In 2006, the Japanese ...

It presents the evolution of the solar system through the lens of the planetesimal hypothesis, a theory suggesting that planets formed from small celestial bodies accumulating over time.

All of our solar system’s planets are lining up in the night sky ... UK. “Engagement in astronomy, looking up at the sky, and appreciating the wonder of our solar system are all fantastic ...