When stars exhaust their hydrogen fuel at the end of their main sequence phase, they undergo core collapse and shed…
In a couple billion years, our Sun will be unrecognizable. It will swell up and become a red giant, then…
According to the most widely accepted scientific theory, our Solar System formed from a nebula of dust and gas roughly…
Before planets form around a young star, the protosolar disk is populated with innumerable planetesimals. Over time, these planetesimals combine…
When New Horizons flew past Arrokoth in 2019, it revealed close-up images of this enigmatic Kuiper Belt Object for the…
The origin of Earth's water has been an enduring mystery. There are different hypotheses and theories explaining how the water…
The Moon's pock-marked surface tells the story of its history. It's marked by over 9,000 impact craters, according to the…
Before our Solar System had planets, it had planetesimals. Scientists think that most of the meteorites that have struck Earth…
According to the latest study by a team that has been observing 'Oumuamua since it was first discovered, this interstellar…
A new study by an international team of scientists may be the "missing link" in our understanding of how planets…