NASA’s Nancy Grace Roman Space Telescope launched on Aug. 30, 2026, beginning a journey that will take it about a million ...

Planets without stars to orbit raise important questions about how planets evolve and what habitability might look like ...

But the universe also hosts worlds that break away from this familiar image. Some planets drift alone through space without a ...

Dione crosses Saturn’s north pole, projecting its shadow onto the cloud tops as Tethys disappears into the planet’s shadow.

Spatial sampling: N apertures have at most N (N-1)/2 pairwise baselines, but not all are distinct or independently measured ...

That pattern backs a "born big" view of planet construction. In the early solar system, clouds of pebble‑size material in the ...

One of the most distant planets in our Solar System will reach a special point in its orbit this month, giving UK stargazers ...

NASA’s newly launched Roman Space Telescope is preparing to change the way scientists study planets beyond our solar system ...

An international team led by researchers from the University of São Paulo (USP) in Brazil has developed an innovative method ...

From meteor showers to a November supermoon, there are a number of impressive sights to behold in the autumn night sky.

Several exomoon candidates have been proposed, but none has become an unambiguous, confirmed example. This object differs ...

Dark-sky sights take center stage as Saturn's moons dance and Venus mingles with the Moon in the sky this week.