In January 2025, Venus, Mars, Jupiter, Saturn, Uranus and Neptune were all visible in the night sky. And in February, 2025, ...

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

The European Space Agency (ESA) is ready to guide the ESA/NASA Solar Orbiter spacecraft through its closest encounter with ...

Ever since Isaac Newton famously talked about gravity, its dominance as a force in our solar system has been well known. It's responsible for the orbits of the planets and their satellites ...

Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar system was the only planetary system known to humans. We had no proof other ...

Comets without tails, called dark comets, are a newly discovered space object. Now, astronomers know they come in 2 classes.

NASA scientists have detected a star and trailing exoplanet that may be sailing through the Milky Way with unprecedented ...

Could humans survive on other planets? What would it take to live on Mars, Venus, or even a moon like Titan? From low gravity to toxic atmospheres, every planet presents a unique challenge. Watch as ...

SPACE (KXAN) — A star flying through the night sky may be the fastest-moving solar system ... determined. Gravity holes: How UT’s experimental mission uncovered secrets of our planet In ...

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.

Predictions are uncertain, but the solar system may be pushed farther from the galactic core or even ejected entirely from ...

Why is Pluto no longer a planet? Discover the real reason behind Pluto’s reclassification as a dwarf planet and the science that led to this change.