Planets

Universe can expand faster than light; relativity permits cosmic expansion exceeding light speed at distances beyond Hubble sphere while preserving...

Three runaway stars solved a galactic mystery; hypervelocity stars reveal Large Magellanic Cloud's orbital path and supermassive black hole location...

Exoplanets in the remnants of a dwarf galaxy; VOYAGERS survey searches for planets around ancient low-metallicity stars from merged Gaia-Enceladus...

Mars orbiter reveals dust avalanche patterns—new study shows what happens on Mars today involves seasonal slope streaks moving quarter of...

Oldest stars are planet killers—new study shows aging stars destroy close-orbiting gas giants through tidal forces, with destruction rates increasing...

The 'anti-weather' of Venus revealed through new modeling—diurnal wind cycles and dust transport differ dramatically between highlands, lowlands, and polar...

Astronomers spot a white dwarf still actively consuming planetary remnants 3 billion years after stellar death, revealing delayed planetary system...

Scientists detected 2 newborn black holes crying through gravitational waves from mergers GW241011 and GW241110, revealing second-generation hierarchical formation. Scientists...

Bizarre three-planet system TOI-2267 hosts Earth-sized planets around both binary stars, challenging planet formation theories in compact stellar configurations. A...

Exoplanets: In a groundbreaking announcement, NASA has confirmed the discovery of over 6,000 exoplanets—planets orbiting stars beyond our solar system....