Readers of a certain age will remember a golden era of asteroid films, capped by two with very different endings. "Deep Impact" drove home the devastating consequences of letting a large piece of rock hit our planet, whereas ...
Astronomy
21 hours ago
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A new paper has put hard numbers on a plan that's been rattling around the astronomy community for a while now—a California company called Reflect Orbital wants to put giant mirrors in orbit and beam sunlight down to Earth ...
Astronomy
Aug 17, 2026
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You may have heard the phrase "we are made of star-stuff." This statement by the astronomer Carl Sagan refers to the fact that elements heavier than hydrogen and helium were forged in the centers of the first stars. But how ...
Astronomy
Aug 16, 2026
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NASA is planning to send three small rovers to the moon with a single instruction: Work out among yourselves how to explore a patch of ground.
Space Exploration
Aug 15, 2026
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From launchpads to low Earth orbit and beyond, space companies and their affiliates are deploying a familiar marketing tactic—with a new twist. In a space economy projected to reach US$1.8 trillion by 2035, they sell space ...
Space Exploration
Aug 14, 2026
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What do you do when the observation you need comes around once a year? Well, preparation is key, but this is the awkward truth about finding another Earth. When a planet crosses the face of its star, a sliver of starlight ...
Astronomy
Aug 13, 2026
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122
One of nature's greatest spectacles—a rare total solar eclipse—cast its shadow on Wednesday, briefly turning day into night in Russia's remote Arctic north and western Iceland before heading toward mainland Europe.
Space Exploration
Aug 12, 2026
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13
There is a question that often comes up at every public talk I do, and I have never had a good answer to it—well, not an entirely confident one. What's inside a black hole? The textbook reply is a singularity. Cross the event ...
Astronomy
Aug 12, 2026
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Most people underestimate how much light a pair of sunglasses blocks out. A typical dark pair removes around 80% to 90% of the visible light reaching the eye.
Space Exploration
Aug 12, 2026
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15
The surface of the moon is a bleak and forbidding place that could be hiding a lot of water ice within its dusty landscape. However, most possible ice deposits don't just stand out in an image. Scientists need specialized ...
Space Exploration
Aug 12, 2026
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