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Think you know our solar system's dwarf planets? Test your skills with our new quiz!
By Kenna Hughes-Castleberry published
Pluto isn't the only dwarf planet residing in our solar system. Try your hand at naming the others!

Hubble telescope uncovers rare star born from cosmic collision: 'A very different history from what we would have guessed'
By Sharmila Kuthunur published
"It's a discovery that underlines things may be different from what they appear to us at first glance."

What is the moon phase today? Lunar phases 2025
By Tariq Malik, Daisy Dobrijevic last updated
Reference See what moon phase it is tonight and find out when you can see the rest of the moon phases for 2025.

How much has Mercury shrunk?
By Sarah Stanley published
Mercury is still shrinking as it cools in the aftermath of its formation; new research narrows down estimates of just how much it has contracted.

Mercury quiz: How well do you know the Swift Planet?
By Kenna Hughes-Castleberry published
This quiz will explore the facts, the fun and the fascinating quirks of our solar system’s speedster, Mercury

How the nature of environmental law is changing in defense of the planet and the climate
By Dana Zartner published
The effects of Earth's changing climate is driving up the number of legal suits related to environmental issues

Moon quiz: For all lunatics
By Kenna Hughes-Castleberry published
Think you know Earth's moon? Test your knowledge in a lunar quiz!

Scientists just recreated the universe's first ever molecules — and the results challenge our understanding of the early cosmos
By Perri Thaler published
In a first, scientists have recreated the formation of the first ever molecules in the universe to learn more about early star formation.
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