Science Archives - Page 15 of 89

Something Is Changing the Chemistry of the Oceans

March 18, 2026 by Katy Stublen

Marine ecosystems may be facing unexpected biological stress

For generations the ocean seemed limitless, stable, and largely immune to human influence. But scientists say something fundamental is changing beneath the waves. As the atmosphere fills with more carbon dioxide, the ocean is absorbing vast amounts of it, quietly altering the chemistry of seawater itself. Researchers are now tracking shifts that ripple through marine life, from microscopic plankton to the fish that feed billions of people. What appears to be a subtle chemical change could reshape entire ocean ecosystems.

The Prospects of Finding Alien Life Just Increased

March 18, 2026 by Katy Stublen

The cosmic census just became far more interesting.

Astronomers once wondered whether planets existed anywhere beyond our solar system. Now the question has flipped entirely. With more than six thousand confirmed exoplanets cataloged, the night sky no longer feels like an empty expanse dotted with stars. It looks more like a vast archipelago of hidden worlds, each orbiting its own distant sun. Some scorch under constant stellar heat, others drift through deep cold, and a few sit in zones where liquid water might exist. The growing list is doing more than adding numbers to a database. It is steadily changing how scientists estimate the odds that life might arise somewhere beyond Earth.

Scientists Find Evidence Mars May Have Once Been Habitable Like Earth

March 18, 2026 by Donna Dizon

What scientists found may change how we see Mars.

For decades, Mars has been described as a frozen desert that lost its chance for life very early in its history. That familiar picture is now facing new questions. A growing collection of clues from rovers, meteorites, and planetary scans is beginning to suggest the Red Planet may not have followed the simple path scientists once imagined. Ancient rocks, hidden water reservoirs, and unusual chemical signatures are pointing toward a past that looks more complex than expected. Some of the newest evidence hints that Mars may have remained habitable far longer than researchers believed. As these discoveries accumulate, the story of Mars is starting to shift.

Satellites Capture a Strange 500-Mile Light Anomaly Off Coastline, According to NASA

March 17, 2026 by Katy Stublen

A vast glowing bloom appeared along Australia’s southern coast.

Far above Earth, orbiting satellites occasionally capture scenes that seem almost impossible at first glance. In one stretch of ocean off Australia’s southern coastline, sensors detected a sweeping band of glowing turquoise light spreading across hundreds of miles of water. The brightness was strong enough to stand out clearly in satellite imagery, forming a luminous ribbon along the edge of the continent. Scientists examining the data realized they were looking at an unusually large marine event unfolding across the sea’s surface. The phenomenon appears tied to microscopic life flourishing in extraordinary numbers, creating a spectacle visible from space.

11 Towns That Could One Day Be Lost to the Sea

March 17, 2026 by Donna Dizon

Water is creeping toward places people still call home.

Across the world’s coastlines, something subtle is unfolding. Places that once felt permanent are beginning to look less certain, as tides push farther inland and storms leave behind water that no longer drains away as quickly as it once did. Residents in some towns have started noticing the same unsettling signs: beaches narrowing, wells turning salty, roads flooding on ordinary high tides. None of it happens all at once. The changes arrive gradually, season by season, until the pattern becomes impossible to ignore. Scientists studying these coastlines say the stories emerging from a handful of communities offer an early glimpse of what rising seas may eventually mean for many more places.