The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

A star system has been discovered to be moving at an estimated 1.2 million miles per hour, making it possibly the fastest moving solar system in our galaxy.

The exoplanet, known as GJ 1214 b, was detected by the Hubble Space Telescope and dubbed a "waterworld" by the science ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

15, 2025 — New observational data and simulation models have confirmed a new type of planet unlike anything found in the Solar System ... planet hurtling through space. One of these chunks ...

The origins of life on our planet remains one of science’s great mysteries. Now, a NASA mission that brought a piece of an ...

Scientists believe that two asteroids might be fragments of long-lost "planetary embryos" from the early solar system.

Astronomers may have discovered a scrawny star bolting through the middle of our galaxy with a planet in tow. If confirmed, the pair sets a new record for the fastest-moving exoplanet system, nearly ...

NASA is preparing to launch its exoplanet telescope Pandora and it got a step closer on Monday. In a statement, the agency announced that it has chosen Elon Musk's SpaceX to launch the telescope that ...

The moon has “many engagements” with the planets in February, NASA said in its monthly update ... in the night sky along with many of our solar system’s planets. The easiest to spot is ...

Astronomers discovered the gas giant planet — dubbed a "hot Jupiter " — in 2016, but have continued to investigate this ...

THE search for alien life across our Solar System and beyond has so far kicked up nothing intelligent – let alone microbial.