In 1974, astronomers sent a call out into the cosmos from a massive telescope in Puerto Rico. The anniversary of the message brings reflections on a new missive to the stars and grief for a lost ...

The James Webb Space Telescope's discovery of unusually bright and massive galaxies soon after the Big Bang has cast doubt on ...

Voyager 2's 1986 flyby of Uranus, the main source of our knowledge of the icy planet, could have come at the same time as a ...

Horns high and defiance nigh, the last supermoon of the year rises this week. On Friday, November 15th, the full beaver moon ...

NASA's Perseverance Mars rover spots a scattering of bizarre bright white pebbles of a mysterious composition and origin.

By probing chemical processes observed in the Earth's hot mantle, Cornell scientists have started developing a library of ...

NASA’s Voyager 2 flyby of Uranus decades ago shaped scientists’ understanding of the planet but also introduced unexplained oddities. A recent data dive has offered answers. In 1986, Voyager 2's flyby ...

The sun’s magnetic activity causes auroras, and the relationship between solar flares and auroras reveals an 11-year cycle; ...

Information about the gravitational fields of Mars has recently been analyzed and seems to reveal that there are a number of ...

Researchers have discovered an unlikely new species within the ocean's midnight zone: a glowing "mystery mollusk." ...

But instead of zooming into the dark abyss of space, Starship would fly 'parallel' with Earth as it traverses the planet's ...