Calculating the Journey The universe is vast, and it’s growing bigger by the second. Thanks to cosmic expansion, the distance to the edge of the observable universe is approximately 46.5 billion light ...

My telescope, set up for astrophotography in my light-polluted San Diego backyard, was pointed at a galaxy unfathomably far from Earth. My wife, Cristina, walked up just as the first space photo ...

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The following is an extract from our Lost in Space-Time newsletter. Each month, we hand over the keyboard to a physicist or mathematician to tell you about fascinating ideas from their corner of the ...

Most people have never heard of vacuum decay, but if it happened it would be the biggest natural disaster in the universe. Sure, an asteroid could destroy a city or wipe out life on Earth. A supernova ...

Let’s reimagine the walk of all walks. Not just a neighborhood stroll or a long-distance trek, but a bold journey to the universe’s edge. This isn’t your average hike—it’s an epic quest across time ...