The confirmed discovery of exoplanets revolutionized our understanding of the universe. Among the thousands of confirmed exoplanets, HD 20794 d in particular, recently attracted attention for a unique ...

The space telescope's image of a odd-looking spiral galaxy is, in reality, two distant galaxies overlapping each other.

Swarms of satellites launched by SpaceX and other companies are disrupting astronomical observations. Here's how scientists ...

So in some sense, alien worlds were not first discovered in the 1990s or even the 1980s. It took nearly a century to fully ...

The two exoplanets, or planets outside of our solar system, orbit a star called TOI-1453, which is slightly cooler and ...

The clearest and most precise images yet of the universe in its infancy—the earliest cosmic time accessible to humans—have ...

A combination of cosmic processes shapes the formation of one of the most common types of planets outside of our solar system, according to a new study.

The solar system is a region of space, and all of the objects contained within which are gravitationally bound to the sun. This means all the planets and moons, all of the asteroids and comets ...

without signs of a surrounding solar system. These new observations, and those forthcoming, will help researchers understand objects in the cosmos that could be rogue planets or small brown dwarfs.

The objects around the ringed planet are tiny, but some of them may have formed relatively recently in the solar system’s history. By Jonathan O’Callaghan Jonathan O’Callaghan reported on an ...