Astronomy & Space news

Is the universe finite or infinite?

Two possiblities exist: either the Universe is finite and has a size, or it's infinite and goes on forever. Both possibilities have mind-bending implications.

10 hours ago
4.6 / 5 (14) 17

More evidence for groundwater on Mars

Monica Pondrelli and colleagues investigated the Equatorial Layered Deposits (ELDs) of Arabia Terra in Firsoff crater area, Mars, to understand their formation and potential habitability. On the plateau, ...

7 hours ago
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Dark matter is darker than once thought

This panel of images represents a study of 72 colliding galaxy clusters conducted by a team of astronomers using NASA's Chandra X-ray Observatory and Hubble Space Telescope. The research sets new limits on ...

13 hours ago
3.6 / 5 (5) 5

A new look at the sun's magnetic field

Sunspots, bursts of radiation and violent eruptions are signs that our sun is permanently active. Researchers have long known that this activity varies in a cycle of around eleven years' duration. Even if ...

13 hours ago
4.7 / 5 (7) 0

Scuttling satellites to save space

It takes a lot of ingenuity – not to mention a massive quantity of sheer force – to get satellites into orbit. Now space engineers are applying comparable ingenuity to the challenge of getting their missions ...

13 hours ago
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'Teapot' nova begins to wane

A star, or nova, has appeared in the constellation of Sagittarius and, even though it is now waning, it is still bright enough to be visible in the sky over Perth through binoculars or a telescope.

12 hours ago
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