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Planetary Sciences Mar 2, 2026

NASA's MAVEN detects first evidence of lightning-like activity on Mars

While sifting through the extensive data collected by NASA's Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft over the last decade, scientists discovered a familiar type of electromagnetic signal commonly caused ...

Planetary Sciences Feb 23, 2026

6 planets will parade across the night sky at the end of February

Six planets are linking up in the sky at the end of February, and most will be visible to the naked eye.

Planetary Sciences Feb 21, 2026

Cosmic curveball: Distant system challenges planet-formation theory

An international team of astronomers has discovered a distant planetary system that challenges long-standing theories of how planets form. Across our galaxy, astronomers routinely observe a characteristic pattern in planetary ...

Astronomy Feb 19, 2026

Why some objects in space look like snowmen: Gravitational collapse may shed light on contact binaries

Astronomers have long debated why so many icy objects in the outer solar system look like snowmen. Michigan State University researchers now have evidence of the surprisingly simple process that could be responsible for their ...

Ecology Feb 18, 2026

Twelve-year tracking suggests killer whales do not always drive shark disappearances

While killer whales (Orcinus orca) can trigger the immediate departure of white sharks (Carcharodon carcharias), extended absences from their aggregation sites are also part of the sharks' natural behavior, new research reveals.

Planetary Sciences Feb 12, 2026

Unique 'inside out' planetary system reveals rocky outer world

A global team of astronomers, led by the University of Warwick, have used a European Space Agency (ESA) telescope to discover a planetary system that turns our understanding of planet formation upside down, with a distant ...

Planetary Sciences Feb 11, 2026

Saturn's moon Titan could have formed in a merger of two old moons

Recent research suggests that Saturn's bright rings and its largest moon, Titan, may have both originated in collisions among its moons. While Cassini's 13-year mission expanded our understanding of Saturn, the discoveries ...

Astronomy Feb 9, 2026

Third exoplanet detected in the planetary system HD 176986

Using HARPS and HARPS-N spectrographs, astronomers have observed a nearby K-type star designated HD 176986, known to host two super-Earth exoplanets. The observations resulted in the discovery of another planet in the system ...

Astronomy Feb 9, 2026

How big can a planet be? With very large gas giants, it can be hard to tell

Gas giants are large planets mostly composed of helium and/or hydrogen. Although these planets have dense cores, they don't have hard surfaces. Jupiter and Saturn are the gas giants in our solar system, but there are many ...

Planetary Sciences Feb 2, 2026

Experiments clear up confusion over the form of solid methane

Through a combination of high-pressure experiments and optical spectroscopy, physicists have revealed new insights into the structural forms of solid methane. Led by Mengnan Wang at the University of Edinburgh in the UK, ...

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