Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

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

The six planets will be visible in the days immediately leading up to Jan. 21, and for about four weeks afterward. Mars, ...

A new study suggests that a planet-sized object may have passed through the solar system billions of years ago.

Mars, Jupiter, Uranus, Neptune, Venus, and Saturn—will align in a rare celestial parade, visible for weeks. A seven-planet ...

Since the middle of the month, four of the five brightest planets in the night sky have been visible after sunset and will ...

On the evening of February 28, stargazers will witness a rare celestial event: an alignment of seven planets visible ...

The research, yet to be peer-reviewed, sheds light on what could have changed the orbits of several planets in the solar ...

Venus, Mars, Jupiter and Saturn are visible to the naked eye this month and for part of February. Uranus and Neptune can be ...

This month's planetary alignment sees Venus, Mars, Jupiter, Saturn, Neptune and Uranus visible in the night sky all at once.

The next time a similar planetary alignment will occur is in January, making this the last event of 2024 that sky watchers ...