The waxing gibbous moon will appear close to Saturn in the southeastern sky at sunset on Nov. 29 as Neptune lurks unseen nearby.

Watch live as near-Earth asteroid Eros buzzes the Andromeda Galaxy on Nov. 30 (video)

Depending on how you look at it, the universe might not have an "end," after all.

Scientists may have "heard" the first tantalizing evidence of primordial black holes formed directly from overly dense pockets of matter just after the Big Bang.

A newly discovered tectonic "regime" may explain why Earth has active plates while Venus remains stagnant.

Using the James Webb Space Telescope, astronomers have discovered puzzling ultraviolet radiation around young stars in a stellar nursery.

SpaceX will launch more than 100 different payloads today (Nov. 20) on the Transporter 15 rideshare mission.

Expedition 73 gained three crewmates, expanding the International Space Station's complement to 10. Activities continued as the outpost extended beyond 25 years of a continuous human presence.

NASA's OSIRIS-APEX spacecraft captured stunning new images as it whipped past Earth during a high-speed slingshot maneuver, sending the probe on a fast track toward the asteroid Apophis.

But being in this sweet spot doesn't automatically mean a planet is hospitable to life.

Intuitively, we know what time is, but try to explain it, and we end up tying our minds in knots.

The waxing gibbous moon will appear close to Saturn in the southeastern sky at sunset on Nov. 29 as Neptune lurks unseen nearby.

For the first time since 1961, Russia has lost the ability to launch crewed rockets

A launch pad at Russia’s Baikonur Cosmodrome space complex was damaged during Thursday’s launch of a Soyuz spacecraft carrying two Russian cosmonauts and one NASA astronaut to the International Space Station, the Russian space agency Roscosmos announced.

An essential amino acid that is mistakenly believed to cause drowsiness after eating turkey has been found in an asteroid for the first time, giving scientists clues to the origin of life on Earth.

By Will Dunham WASHINGTON (Reuters) -Scientists have solved the mystery of 3.4 million-year-old fossils called the "Burtele Foot" discovered in Ethiopia in 2009, finding they belonged to an enigmatic

As NASA prepares for crewed Artemis missions, its astronauts are learning to use a new generation of spacesuits: the Axiom Extravehicular Mobility Unit, designed by Axiom Space.

Observations of the supermassive black hole at the heart of the Milky Way, Sagittarius A*, collected by the James Webb Space Telescope, have allowed scientists to better understand how this cosmic titan fires off flares.

The term cosmovision refers to a conception of the universe in totality.

An essential amino acid that is mistakenly believed to cause drowsiness after eating turkey has been found in an asteroid for the first time, giving scientists clues to the origin of life on Earth.

Saturn shines near the half-lit moon at sunset on Nov. 27

Scientists have discovered that a mysterious foot found in Ethiopia belonged to a previously unknown ancient relative similar to Lucy.

By Will Dunham (Reuters) -Whether they are a Siamese, Persian, Maine Coon, or Domestic Shorthair, there are hundreds of millions of cats living with people around the world.

Archaeologists studied hundreds of unfinished stone heads in a quarry on Easter Island to better understand how they were constructed and the society that made them.

The mysteries of Easter Island, subjects of speculation for centuries, yield to scientific inquiry.

We have more neurons in our cortices than any other species, courtesy of an early technology – and along with them came our long, slow lives, with plenty of chances to gather around the dinner table.

Volcanoes and earthquakes are both natural phenomena driven by the dynamic processes that shape Earth’s interior and surface.

South Korea lofted the CAS500-3 Earth-observation satellite and a dozen ride-along cubesats Wednesday (Nov. 26) on the fourth-ever launch of its Nuri rocket.

When last year's solar superstorm Gannon slammed into Earth, it not only painted the sky with beautiful auroras, but also shrunk one of the planet's protective layers to just one-fifth its usual size.

A wild wolf in British Columbia was recorded pulling a crab trap out of the ocean, potentially marking the first time the species was observed using tools.