A strange planetary system called TOI-201 is changing in real time, with three very different worlds pulling on each other.

Scientists are grappling with a cosmic mystery: why does the Universe behave differently on massive scales compared to our ...

The idea of a planet orbiting two suns has long captured both scientific curiosity and public imagination. Popularised by ...

Rather than slowly condensing over millions of years, the first building blocks of Earth and other planets may have formed ...

The sun continuously blasts charged, magnetic field-carrying particles, or plasma, in all directions. This solar wind ...

Astronomers have long been puzzled by a cosmic mystery: planets orbiting two stars—like Star Wars’ Tatooine—are surprisingly rare, even though they should be common. New research suggests the culprit ...

The LHS 1903 system defies expectations with a rocky outer planet, prompting new ideas about how planets form and evolve.

A newly analyzed planetary system spotted by NASA’s TESS mission is challenging long-standing assumptions about how planets ...

A star's mass determines its entire life story, from how it shines to how it dies. For young stars shrouded in dust, getting ...

Scientists reveal how waves behave on alien planets, from towering methane seas on Titan to nearly still lava oceans on ...

Learn how a new model shows how waves form on alien oceans, revealing that gentle winds could create massive swells on Titan, ...

NASA has completed its next space observatory, built to create sharp, panoramic maps of the universe while revealing how the ...