Scientific American14d
How Many Planets Are in the Solar System?
The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...
Live Science on MSN21h
Pale Blue Dot: The iconic Valentine's Day photo of Earth turns 35 today — and you're probably in it
On this day 35 years ago, NASA's Voyager 1 spacecraft took a picture that changed how we see our planet. The iconic "Pale ...
New Scientist23d
How to see all the solar system’s planets in the night sky at once
All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – here’s how to spot the celestial show ...
Live Science on MSN26d
An interstellar visitor may have changed the course of 4 solar system planets, study suggests
An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit before shoving four of the solar system's planets onto a different course.
Coachella Valley Independent13d
February Astronomy: All of the Planets of Our Solar System Make Appearances This Month—and Venus Is as Bright as It Ever Gets
On Feb. 24, from west to east, you can see Mercury, Saturn, Neptune, Venus, Uranus, Jupiter and Mars, all spanning 117.5°, ...