Scientists have found that Uranus is emitting its own internal heat — even more than it receives from sunlight — and this ...

WASP-121b is unlike anything in our Solar System. This giant planet orbits its star so closely that it completes a full orbit ...

Some exoplanets in their stars' habitable zones may be distinctly uninhabitable due to solar flaring. Red dwarfs are known ...

The double star system is called HD 135344 AB and it's about 440 light-years away from Earth. A and B are both young stars, ...

Methuselah, located 12,400 light years away in the constellation Scorpio, is one of the most ancient exoplanets ever ...

The annual competition for professional and amateur astrophotographers released its shortlisted images, which capture the ...

Dubbed 3I/ATLAS, it is blazing through our cosmic cul-de-sac at truly awe-inspiring speeds between the main asteroid belt and ...

Whether you observe in the morning or evening, the solar system has something for you today as two worlds reach their ...

The path of totality will carve an arc of darkness across the surface of our planet – at the height of the August tourist ...

A study from University of Houston researchers showed Uranus's energy levels change with its long seasons, which last about 20 years. This is likely ...

A giant gas planet comparable in size to Saturn exists around a small red dwarf star. The discovery is beyond the scope of ...

The interstellar comet 3I/Atlas is the fastest and largest of its kind, giving astronomers a rare glimpse into extrasolar ...