It’s the greatest cosmic murder mystery of the year: How did a black hole destroy a star—and what kind of black hole is the culprit? Normally, so-called “gamma ray bursts,” sudden flashes of extremely ...

From decoding the human genome to exploring the universe, science has made huge strides in the 21st century. The last 25 years have seen an impressive array of scientific advances, from the sequencing ...

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Comet 3I/ATLAS is a rare visitor passing briefly through our solar system. Here’s how to find it in the night sky—and what you’ll need to catch a glimpse. Interstellar comet 3I/ATLAS streaks across ...

NEW YORK (AP) — NASA's Hubble Space Telescope got a rare look at the aftermath of two cosmic collisions — and helped scientists solve a decades-old mystery. Many years ago, scientists saw a dense, ...

They call it the Nancy Grace Roman Space Telescope, and after it launches, possibly as soon as fall 2026, it will become NASA's flagship eye in the sky, dwarfing even the mighty James Webb Space ...

Hiking provides immense cardiovascular and musculoskeletal benefits, but being in nature while participating in the activity might be the greatest advantage of all. When hiking on challenging terrain, ...

Experts detail the benefits of swimming, from strengthening your muscles to reducing inflammation and boosting your mental health—and how to get started. Swimming offers a low-impact exercise with ...

The world's largest optical telescope is seen taking shape in an amazing image. The European Southern Observatory's Extremely Large Telescope (ELT) is being constructed on the Cerro Armazones mountain ...

Walking more is associated with reduced risk for dementia, diabetes, heart disease, and more—but a new study says you can get fewer than 10,000 steps a day and still see all those benefits. An ...

The U.S. Surgeon General has called for adding cancer warnings to alcohol labels—as scientific evidence mounts that even moderate drinking may be more harmful than we thought. A glass of red wine a ...