For future homes on the moon, Mars, and other worlds, NASA is exploring technologies that would use mushrooms to grow self-repairing, self-replicating habitats.

This Arctic whale has the only spiral tooth found in nature. But there’s more to the narwhal than its unique tusk.

Nearly a decade after the nuclear accident in Fukushima, researchers have found that wildlife populations are abundant in areas now devoid of human life.

Grains of stardust - particles left behind by star explosions - in an Australian meteorite are now the oldest known material on Earth. A new study suggests this stardust came to be long before our sun ever existed.

The lighted portion of the waning crescent moon will point toward Jupiter on the mornings January 21 and 22, 2020. Look east! You'll enjoy spotting Jupiter so near the sunrise.

The Gaia-Enceladus dwarf galaxy slammed into our Milky Way 11.5 billion years ago. It added the mass of 50 billion suns to the Milky Way. Grand names and big numbers! Now new knowledge of this collision comes from a single bright star visible in Southern Hemisphere skies.

Hyperbolic comets fly through our solar system at high speed before heading out to interstellar space, never to return. A new study from astronomers in Japan identifies 2 hyperbolic comets that likely originated outside our solar system.

For the first time, NOAA’s 2019 Arctic Report Card includes an indigenous perspective of the changes taking place in Arctic ecosystems.

Use the moon to find red Mars and red Antares before dawn on January 19, 20 and 21, 2020. Then, after Mars and Antares have faded from view, but before the sun comes up, try to catch the king planet Jupiter near the sunrise horizon.

In recent years, astronomers have pondered the search for biosignatures, or signs of life, in the atmospheres of distant exoplanets. Will the James Webb Space Telescope - due to launch in 2021 - be able to detect them? A new technique says yes.