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10 tips for watching the Geminids in 2023
The Geminids make up a rich and much-loved annual meteor shower that peaks in mid-December. Here are 10 tips for watching the Geminids in 2023.
December 13, 2023
Mysterious 3200 Phaethon – parent to the Geminids – revealed?
3200 Phaethon is the weird comet-like asteroid that spawns the Geminid meteor shower. New research reveals more answers ... and questions.
December 13, 2023
What’s a red dwarf? Only the most abundant Milky Way star
A red dwarf star is smallest and coolest type of star known. They're also extremely common, making up around 60 to 70% of the stars in the Milky Way.
December 3, 2023
Thinking of buying a telescope? Read this 1st
Are you thinking of buying a telescope? Here's how to know if you're ready, with tips on what 1st-time buyers should look for.
November 29, 2023
Uranus at opposition on November 13, 2023
Uranus at opposition is November 13, 2023. At this time, it's brightest for the year and visible to the eye under optimum conditions. Here's how to see it.
November 12, 2023
What are red giants? Our sun will become one!
What are red giants? Most main-sequence stars, like our sun, will become one. Red giants swell to such a large size they can swallow their inner planets.
November 9, 2023
Venus in the daytime: Best ways to see it
The moon is near Venus on November 9, 2023. That makes that morning a great time to try to spot Venus in the daytime sky. Read how here.
November 8, 2023
Dark nebulae: Obscuring clouds of gas and dust
Dark nebulae are clouds of gas and dust in space. They block the light of stars shining behind them. They're often places where new stars are forming.
November 5, 2023
How big are asteroids? Compare sizes in this video
How big are asteroids? This video shows the sizes of 22 asteroids - ranging from tiny to vast - in comparison to New York City.
November 3, 2023
Jupiter and Earth just past its closest, now at opposition
Giant Jupiter is closest to Earth for 2023 on November 1-2. Then Earth will fly between the sun and Jupiter - bringing Jupiter to opposition - on November 2-3.
November 2, 2023
