18+ hour, 26+ min ago   (623+ words) Scientists have found a vast hidden heat imbalance inside Mars, with the southern interior hundreds of degrees hotter than the north and possibly partially molten. Scientists have discovered a major temperature imbalance deep inside Mars, with the planet’s southern interior…...

1+ day, 11+ hour ago   (694+ words) ...

4+ day, 18+ hour ago   (553+ words) Solar system simulations starting from varied initial conditions suggest that Earth-like planets can emerge naturally from planet formation. Computer simulations of planetary systems can now begin from thousands of different starting conditions, allowing researchers to explore how worlds might emerge…...

4+ day, 19+ hour ago   (675+ words) A new image of the Helix Nebula reveals how dying stars return material to the galaxy. The Helix Nebula offers a rare look at what happens after a dying star releases its outer layers into space. New observations show fragments…...

4+ day, 19+ hour ago   (568+ words) Researchers developed a model showing how lava-covered planets close to their stars can hold onto their atmospheres, which could help guide the search for life beyond our solar system. Some planets orbit so close to their stars that intense radiation…...

5+ day, 6+ hour ago   (687+ words) NASA’s Neil Gehrels Swift Observatory is back to studying the universe, even as the aging spacecraft continues to lose altitude and a planned mission to raise its orbit has been scaled back. Two of Swift’s three science instruments are operating…...

5+ day, 17+ hour ago   (948+ words) An analysis of 75 meteorite falls identified seven distinct processes that occur as space rocks melt, break apart, and slow down before reaching the ground. Their results show that melting and fragmentation, rather than evaporation alone, determine how these objects shed…...

6+ day, 9+ hour ago   (434+ words) A hidden molecular defect in inflammatory bowel disease may help explain why flare-ups can return even when patients appear well....

6+ day, 17+ hour ago   (564+ words) Many things change in space, including how the intestines function. Constipation is a known side effect of space travel, but until now, little has been known about why it happens. Constipation is a familiar problem for astronauts, but the biological…...

1+ week, 1+ day ago   (327+ words) A strange honeycomb landscape on Mars may preserve the scars of ancient cycles of rain, drought, and cracking mud. The surface of Mars is home to some of the most breathtaking and awe-inspiring landscapes in the solar system. This is…...