Experts have confirmed that the mysterious object hurtling towards us, previously dubbed A11pl3Z, is an "interstellar object.

The mystery of our solar system’s missing super-Earths and sub-Neptunes is not yet solved. Studying these exoplanets is one of NASA’s top priorities and JWST plays a pivotal role.

The Subaru Telescope has revealed a fourth member of the sednoids, a group of small bodies with peculiar orbits around the ...

Mars and ice-covered ocean moons orbiting Jupiter and Saturn are intriguing destinations in the search for life outside of Earth. Multiple robotic missions, both current and planned, will explore ...

So overall, we can say that the oldest solid material we know of in the Solar System is 4.568 billion years old, with an uncertainty of perhaps just 1 million years.

The solar system formed about 4.6 billion years ago from a giant rotating cloud of gas and dust known as the solar nebula. Gravity caused the nebula to collapse in on itself, forming a dense, hot ...

In our solar system, Mercury, Venus, Earth, and Mars have period ratios of about 2.6, 1.6, and 1.9, respectively. Overall, the study showed that our solar system fits reasonably well into the team ...