Search results for Planetary Systems

Ecology Sep 28, 2026

Changing climate may influence risks from deadly rodent-borne diseases

Changes in rainfall can trigger increases in rodent populations and subsequent spikes in infection, new research has found, revealing how a changing climate could have consequences for human health.

Astrobiology Sep 25, 2026

Great news from Saturn's moon Enceladus in the search for life in space

What are the chances of finding extraterrestrial life in our solar system? Frank Postberg, a professor of planetary science at Freie Universität Berlin, has published a study in Science Advances with an international team ...

Earth Sciences Sep 23, 2026

Earth shifted among five 'mega-climate' states over 539 million years, with extinctions spiking near transitions

Earth's climate has undergone dramatic changes throughout its history, but new research suggests those changes may not have been as random as previously thought. A study led by an international team of researchers, including ...

Planetary Sciences Sep 23, 2026

How diffractive solar sails could stop a killer asteroid at 100 km/s

Asteroids don't come with a warning label that they might one day hit Earth. While we don't know of any currently on course to do so, we are finding thousands of new ones each year, and there's always a chance that one could.

Earth Sciences Sep 23, 2026

Why a healthy seafloor matters for the Earth system

The seafloor is more than just the ground beneath the sea. Two-thirds of Earth's surface is covered by oceans, which have an average depth of almost 4 kilometers (2.5 miles). For a long time, the seafloor's remoteness protected ...

Astrobiology Sep 23, 2026

Earth may have gained optimal conditions for life's chemistry 4.33 billion years ago

Conditions on early Earth may have become stable enough to sustain the chemistry associated with the origins of life around 4.33 billion years ago, according to new research co-led by Planetary Science Institute senior scientist ...

Ecology Sep 22, 2026

How amateur naturalists are helping scientists track what everything eats

An interdisciplinary team of researchers has created an open-source website for learning what different organisms eat and what eats them. The site—called Who Eats Whom—draws on data from a worldwide citizen science platform ...

Astronomy Sep 22, 2026

Astronomers detect radio signals coming from an exoplanet for the first time

Exoplanets are exotic worlds orbiting distant stars far beyond our solar system. Ever since the first ones were discovered in the 1990s, astronomers have turned their attention to these distant worlds to understand more about ...

Social Sciences Sep 22, 2026

Planetary crises deepen global health inequality, paper warns

The global inequality in health opportunities is being further heightened by the triple planetary crisis—climate change, biodiversity loss and environmental pollution. Addressing it is more than a question for health systems; ...

Astrobiology Sep 21, 2026

Early Mars rocks reveal at least three separate water episodes

When NASA's Perseverance rover reached the inner edge of Mars' Jezero Crater in September 2023, mission scientists were surprised by what they found. The geologic area, called the "Margin Unit," stretches along the shoreline ...

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