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 ...

In a surprising twist to our understanding of exoplanetary systems, astronomers have uncovered three Earth-sized planets ...

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

How fast and in which direction is our solar system moving through the universe? This seemingly simple question is one of the ...

A series of three powerful flares and associated explosions of solar material out across the Solar System have set Earth ...

Since the dawn of civilization, humanity has wondered whether we are alone in the universe. Some people—myself ...

In this week's Science for All newsletter, Vasudevan Mukunth explains latest updates on interstellar comet 3I/ATLAS, and what ...

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 ...

Mars is a cold, dry, desert-like planet. But billions of years ago, scientific evidence suggests that it had a thick ...

Look to the east after sunset on a clear winter night and you’ll spot a bright, tightly packed collection of stars. That’s ...

Electricity demand will rise much faster than overall energy growth in the coming decades, according to a new report by the ...