7 Ways to Prove the Earth Is Round
What is the real shape of the Earth? It turns out, the answer is not obvious for some people! Take a look at 7 ways you can prove that the Earth is round.
Full Moon in October 2021: Hunter’s Moon
The Full Hunter’s Moon will take place on October 20, 2021. Learn the meaning behind its name and what it has to do with the autumn equinox.
NASA Launches Lucy!
NASA’s Lucy spacecraft launches soon. It will study the asteroids in the orbit of Jupiter and help us learn more about the evolution of the Solar System.
How to See Starlink Satellites Train Tonight?
Learn more about SpaceX’s Starlinks, find out how to view the satellites from your location, and keep abreast of the recent launches.
Moon in Conjunction With Venus, Saturn, Jupiter
In October 2021, the Moon will meet with three planets one by one: Venus, Saturn, and Jupiter. Here is how to see them in the sky.
Mars: The Ultimate Guide
Why is Mars red? What’s the gravity on Mars? Read this article to get answers to these and many other questions and learn more about the Red Planet.
October 2021 Meteor Showers Guide
Here is a schedule of meteor showers peaking in October 2021. We provide dates, observation forecasts and give some viewing tips.
Deep-Sky Objects in October 2021
Can you see the Andromeda Galaxy from Earth? Yes, you can! Check out our list of galaxies and star clusters you can observe this October.
Facts About Mercury: All You Need to Know
The Mercury guide — explore the closest planet to the Sun! Find answers to the most common questions about Mercury here.
Planet Uranus: The Coldest Planet
Uranus has a peculiar chemical composition, extreme temperatures, and the most unusual axial tilt. Here we’ll take a closer look at this planet.
What Is an Equinox?
When does fall start? What astronomical event marks the beginning of spring? In this article, we’ll answer the most popular questions about equinoxes.
Full Moon in September 2021: Harvest Moon
The Full Harvest Moon is coming on September 20, 2021, two days before the September equinox. Learn about the Harvest Moon meaning.
Inspiration4: SpaceX’s first all-civilian orbital mission
SpaceX’s Dragon spacecraft is ready to carry four people to orbit within the company’s first all-civilian mission. Here is all you need to know.
Planet Neptune: Explore the Farthest Planet From the Sun!
How big is Neptune? What is Neptune made of? Why is Neptune blue? Read our article and learn curious facts about the outermost planet in the Solar System.
September Meteor Showers: Complete Guide
Learn curious facts about the Alpha Aurigids, the September Epsilon Perseids, and the Daytime Sextantids, and find out the best time to watch meteor showers!
What's the Difference Between Twilight, Dusk, and Dawn?
What are the definitions for “twilight”, “dusk,” and “dawn”? What are the three types of twilight? In this article, we’ll answer these and other questions.
Facts About Pluto: Explore The Peculiar Dwarf Planet
How far is Pluto from the Earth? Why isn’t Pluto a planet? Read this article to get answers to these and many other questions!
The New App Release: Meet Sky Tonight™!
A brand-new stargazing app from the creators of Star Walk is finally available for both iOS and Android devices. Today we’ll reveal its unique features.
Full Sturgeon Moon in August: Why Is It Called a Blue Moon?
When is the Full Moon this month? Why Is It Called a Blue Moon? Find answers to these questions and discover the Sturgeon Moon meaning!
Jupiter Explained: The Mind-Blowing Facts
The bright Jupiter is known for its many moons, unstable surface, and mysterious Great Red Spot. Is there something else? Find out!