Astronaut Don Pettit shared a Milky Way photo from the ISS showing stars, a red airglow band, and colourful light streaks ...

Earth may feel enormous from where we stand, but zoom out far enough and our entire planet becomes an invisible speck in the ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to CuriousKidsUS@theconversation.com. What is below Earth, since space is present in ...

Most people picture a Glacier Bay day as a lazy lap around some ice with a coffee in hand. A slow loop, a few photos, maybe a ...

Watch the crescent moon move through Ophiuchus, Sagittarius, and Capricornus. Find the Teapot, observe earthshine, and follow the Moon toward First Quarter.

I thought the explanation I’d given about black holes was family-friendly. But, after what she had said, I had to rethink my examples ...

The Vera C. Rubin Observatory’s detection of a possible dwarf planet is just the start of many more discoveries in our cosmic ...

Researchers using Hubble studied 37 dwarf galaxies and found that much of the oxygen they expected to see is missing. Simulations predict that significantly more oxygen should be present. Instead, the ...

The former pop star reflects on his lifelong fascination with the mysteries of the cosmos ...

Customers can set up a telescope at Starfront Observatories in Texas and discover new planets and nebulas from their city ...

Scenic Acadia National Park is a major draw for vacationers and Maine residents alike. One of the 10 most visited national parks in the country, Acadia draws 4 million visitors annually with its ...

In a paper published Monday in The Astrophysical Journal, researchers using Hubble studied 37 nearby dwarf galaxies — small galaxies containing a few thousand to hundreds of millions of stars — and ...