Astrophoto: Northern Lights by Andrzej Baran

Image credit: Andrzej Baran. Click to enlarge.

Fraser Cain

Fraser Cain is the publisher of Universe Today. He's also the co-host of Astronomy Cast with Dr. Pamela Gay. Here's a link to my Mastodon account.

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Fraser Cain

19 years ago

How Knot Theory Can Help Spacecraft Can Change Orbits Without Using Fuel

When a spacecraft arrives at its destination, it settles into an orbit for science operations.…

2 hours ago

The list of chemicals found in space is growing longer and longer. Astronomers have found…

3 hours ago

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The JWST is flexing its muscles with its interferometry mode. Researchers used it to study…

6 hours ago

Brown dwarfs span the line between planets and stars. By definition, a star must be…

7 hours ago

Life on Earth would not be possible without food, water, light, a breathable atmosphere and…

8 hours ago

When I heard about this I felt an amused twinge of envy. Over the last…

22 hours ago