Scientists have simulated what happens when a solar system pushes the limits of gravity and stability — and the results ...

New evidence shows that, far beyond Pluto, there may exist a hypothetical planet referred to as Planet X or Planet Nine.

Simulations reveal that Jupiter’s rapid growth disrupted the early solar system, creating rings where new planetesimals ...

Using NASA's Transiting Exoplanet Survey Satellite (TESS), astronomers have discovered that aging stars in their so-called ...

Researchers analyzed nearly half a million nearby star systems to understand how giant planets fare as their stars expand ...

Using data from NASA’s TESS mission, scientists can estimate the size (radius) of potential planets orbiting distant stars. However, to verify that these objects are truly planets and not low-mass ...

What's the best way to reveal what an exoplanet is made of? Wait for it to get gravitationally shredded and engulfed by its ...

Blue Origin has launched its huge New Glenn rocket with a pair of NASA spacecraft destined for Mars. It was only the second ...

Rooftop solar is spreading fast in Jamaica, and people with panels got their power back almost immediately. The ‘entire ...

Harvard astrophysicist Avi Loeb suggests that interstellar object 3I/ATLAS may have just broken up into well over a dozen ...

After a long summer and fall of uncertainty, private astronaut Jared Isaacman has been renominated to lead NASA, and there ...

One driver proudly told the "r/EquinoxEv" subreddit, "I finally made the plunge" and switched to electric vehicles. A photo ...