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.
Comet Leonard: Meet the “Christmas Comet”!
Comet Leonard will get closest to our planet in December. Read this article to learn when, where, and how to see the brightest comet of 2021.
Discover the Amazing Planet Venus
Venus is the second planet from the Sun and the brightest planet in our sky. Learn more facts about Venus and the best time to see it in the sky.
Total Solar Eclipse of December 4, 2021
On December 4, 2021, the total solar eclipse takes place. It will cover Antarctica and will be partially visible from some other sites.
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 Mars, Venus, Saturn, Jupiter
In December 2021, the Moon will have conjunctions with four planets: Mars, Venus, Saturn, and Jupiter. Here is how to see them in the sky.
December 2021 Meteor Showers Guide
Nine meteor showers are reaching their peaks in December 2021. We provide their peak dates, the Moon’s phase, and observation forecast.
Thanksgiving Alignment of Venus, Saturn, and Jupiter
The alignment of Venus, Saturn, and Jupiter, Comet Leonard update, and Thanksgiving sale on our new stargazing app!
5 Outstanding Female Astronomers
In this article, we’ll talk about five influential women in astronomy and the discoveries they made — from observing new comets to finding dark matter.
Full Moon In November 2021: Partial Lunar Eclipse
The Full Beaver Moon takes place on November 19, 2021. It will occur together with the nearly total lunar eclipse best visible from North America.
November 2021 Meteor Showers Guide
Five meteor showers are reaching their peaks in November 2021. We’ll provide info on peak dates and the Moon phase and give you helpful observation tips.
Space Tourism: Can A Civilian Go To Space?
Let’s talk about space tourism. What is it? How much does it cost? What are its environmental impacts? We’ll answer these and other questions.
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.
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.
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.