Venus and Jupiter will appear close in the sky on June 9, 2026. No special equipment needed. Look west after sunset for this ...

Astronomers using NASA’s James Webb Space Telescope have produced the first three-dimensional map of Uranus’ ionosphere, ...

There is a category of planet that belongs to no star. It was thrown clear of its solar system early in the chaos of ...

According to the space agency's tracking, the rock is hurtling through space at more than 21,500 miles per hour.

Sixty-six light-years away, an Earth-sized exoplanet completes an orbit in under six hours, skimming around its star at ...

On March 10, 2026, Jupiter will appear to change direction in the night sky, marking the end of its retrograde motion, which began in November 2025. This phenomenon, which occurs when Earth overtakes ...

Abstract: In this paper, based on the circular restricted three-body model of Jupiter and Ganymede, the complete transfer process of the probe from Callisto to the Ganymede mooring orbit at different ...

Astronomers have reported observations of a rare star system consisting of one star orbiting a system of three more tightly ...

The four-star system features three stars in stable orbits, plus a fourth at a distance equal to Jupiter's orbit around our Sun.

The discovery of the fourth star was done through an algorithm called QUADCOR, which isolates the distinct spectral fingerprints of all four stars simultaneously. By detecting the individual signals, ...

Sky-gazers will have the opportunity to see six planets in the sky on Saturday, weather permitting, according to NASA.

In late 2025 a mysterious comet flew between the orbits of Earth and Mars and reached a speed of more than 150,000 miles per hour during its closest approach to the sun. The rare interstellar guest to ...