I think my partner is slipping away from me, and I do not know how to reach for her without breaking both our hearts. My wife, “Laura,” is 68. We have been together for 40 years. She has always been ...

In today's Dear Annie column, a husband fears his wife’s worsening memory may signal dementia and asks Annie how to seek help ...

On the slopes of an Indonesian volcano, rivers of light appear to pour out of the dark, glowing an electric blue that looks ...

When scientists finally cracked open the capsule from asteroid Bennu, they expected carbon, water-bearing minerals, and maybe ...

Archaeologists might have discovered a major milestone in the quest to prove Noah’s Ark’s existence — pottery fragments near ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

SANTA CRUZ — Xi Zhang, a professor of Earth and planetary science at UC Santa Cruz, has discovered that an exoplanet classed ...

"The Giant Leap," by astrobiologist Caleb Scharf, is an optimistic account of our widening journey into the cosmos.

The James Webb Space Telescope blasted off from a launchpad in French Guiana in 2021, before reaching a spot in orbit a million miles away. It soon began breaking cosmology.

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...