Neptune's moon Nereid was discovered by the Dutch astronomer Gerard Kuiper. This was the second of 14 moons discovered at ...

William Saunders, planetary scientist at NASA’s Langley Research Center, revealed that Uranus occulted a star lying about 400 ...

From spellbinding images to groundbreaking scientific discoveries, we look back on some of Hubble's most exciting milestones.

That’s us.’ From Pale Blue Dot (1994) by Carl Sagan. Photo courtesy NASA/JPL-Caltech But what, exactly, should we make of ...

Launching on 24 April 1990, the Hubble Space Telescope has had an out-of-this-world 35 years capturing some of the most ...

Space exploration missions have revealed that polar vortices aren’t uncommon beyond Earth. They’ve been observed throughout ...

Uranus is an ice giant planet with a thick atmosphere over a hot mantle of water, ammonia, and methane ices. Humanity has ...

When a planet's orbit brings it between Earth and a distant star, it's more than just a cosmic game of hide and seek. It's an ...

Webb has two decades ahead of it, but it's already captured some stunning images. Here are 35 of our favorites.

Jupiter is the largest planet in the solar system. It's about 11 times wider than Earth with an equatorial diameter of 88,846 ...

MOSCOW (AP) — A Soyuz capsule carrying two Russians and one American from the International Space Station landed Sunday in Kazakhstan, ending their seven-month research assignment. According to ...

More recently, they studied new data from Hubble (2021–2022) along with readings from the Gaia space probe. They found the object is about seven times the mass of the sun—too heavy to be a ...