Bothell, Wash.-based Portal Space Systems shows off the lab where its solar thermal propulsion system will be developed.

17, 2025 — The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system in HR ... a compelling new model for the formation of ...

Scientists from UNSW Sydney have located a potential new exoplanet – a planet that orbits a star outside of our solar system – using a technique ... ran a series of model simulations that pointed to ...

NASA's James Webb Space Telescope has captured direct images of multiple gas giant planets within an iconic planetary system.

New Southwest Research Institute-led modeling indicates the main belt asteroid (52246) Donaldjohanson may have formed about 150 million years ago when a larger parent asteroid broke apart; its orbit ...

Giant Exoplanets in HR 8799 System Likely Formed Like Jupiter and Saturn The first exoplanet was discovered in the 1990s, but ...

Knowing which model is more common can give ... we can try to get a sense of how weird our solar system really is—or how ...

Does the proton decay? While this was a famous prediction of Grand Unified Theories (GUTS) developed in the 1970s and 1980s, ...

A new study by Rice University researchers Sho Shibata and Andre Izidoro presents a compelling new model for the formation of super-Earths and mini-Neptunes — planets that are 1 to 4 times the size of ...

A recent study analyzing 263 galaxies has added new fuel to an extreme cosmic theory—that our entire universe might actually ...