NASA and European scientists explain how they calculate the probability of the space rock 2024 YR4 impacting our planet, and why it’s not yet time to worry.

According to a recent YouGov poll, 35% of Americans think Pluto is not a planet. But they are all wrong—kind of. To get to ...

If planets had social media accounts, the solar system would showcase a frenzy of unique personalities. Mercury tweets at ...

Filmmaker Adam Nemoy helps celebrate the 90th anniversary of Pluto's discovery this month at the 6th annual 'I Heart Pluto' ...

Read A sky chart showing Mars, Jupiter, Saturn, and Venus in a "planet parade." Credits: NASA/JPL-Caltech On most ...

Since then, Jesus has not wept again despite humanity’s continuing misbehaviour since He left. Jesus has not wept since ...

Just as Sun, Moon, Mercury, Venus and Mars move through the signs of the zodiac as they orbit, so do the outer planets.

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

Orbital dynamics show that President Trump’s pledge to land astronauts on Mars couldn’t happen until 2029 at the earliest.

A team of astronomers have discovered a rather curious exoplanetary system that has two gas giant planets that are messing up each other’s orbit! On of them is 3.8 times the mass of Jupiter and ...

Most moons orbit their planets, but Pluto and Charon are different—they revolve around a point in space between them! 🔄 Why does this happen, and what did NASA’s New Horizons mission reveal about ...

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