Planetary alignments occur when multiple planets from our solar system appear together in the night sky. There are four major categories of planetary alignments: mini (3 planets), small (4), large ...

Digital illustration of the Solar system. Sun, Earth and planetary Moon, Mars, Jupiter, Saturn, Uranus, Neptune and the dwarf Pluto. A row of planets and a stellar nebula in outer space These ...

At the far edge of the Solar System, where the Sun’s influence thins into the dark between the stars, a pair of aging ...

The giant planets weren't always where we find them today. Jupiter, Saturn, Uranus and Neptune formed in a more compact ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: ALMA(ESO/NAOJ/NRAO)/M. McClure et al. Astronomers have witnessed the birth of a planetary ...

In early 2025, the world observed a rare planetary parade event that won't be seen again until 2040. On the last day of February, seven planets appeared to align at the same time, creating a rare ...

In 2026, the sky promises eclipses, supermoons, meteor showers, and planetary alignments, plus asteroid flybys and an interstellar comet, offering rare and dazzling celestial spectacles for keen ...

Even the best telescopes can’t see exoplanets. It’s all about watching for jiggly stars, blue shifts, and transits.

While its star projector leaves a lot to be desired, the Science Can Solar System Planetary Projector is a fantastic educational tool for kids, with its solar system model, complete with talking ...

On August 24, 2006, our solar system lost a planet. It wasn't by cataclysmic destruction, but rather by the vote of the International Astronomical Union, which declared that Pluto, considered the ...

An interstellar object moving at roughly 137,000 miles an hour is making its closest approach to Earth this week, drawing ...