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an illustration showing the hypothetical Planet 9 with blue rings and a question mark over it, with stars and a galaxy in the background
Planet Nine: Is the search for this elusive world nearly over? Astronomers have been scouring the outer solar system for signs of a hypothetical ninth planet for almost a decade, without success. However, we may finally be on the cusp of finding it, experts say.
Each bright spot in this image, the first all-sky image by eRosita, is black hole or a neutron star.
5 space discoveries that scientists are struggling to explain From "runaway" black holes shooting across the cosmos to secret planets in our own backyard, space is overrun with mysterious objects that scientists are clamoring to explain. Here are five of the strangest sights in the universe, as well as their possible origins.
An illustration of a large, round asteroid having a close encounter with the blue Earth
NASA's most wanted: The 5 most dangerous asteroids to Earth What is the most dangerous asteroid, how probable is an impact, and how much destructive power would a collision with Earth have? Here are 5 big space rocks that NASA is watching closely.

Latest about Space

A diagram of our solar system

Why is everything in space always moving?

By Ashley Hamer published

From the moment of the Big Bang, everything in the universe has kept moving, but why is that?

Space
A rising sun and Earth's horizon are featured in this image photographed by an Expedition 13 crewmember on the International Space Station.

NASA discovers planet-wide electric field around Earth that's shooting bits of our atmosphere into space

By Ben Turner published

NASA scientists have discovered a planet-wide electric field surrounding Earth, confirming a 60-year-old hypothesis. Studying the field could yield some vital information about how our planet's atmosphere has evolved.

Astronomy
A photo of starship launching in the distance with massive plume of smoke

'Catastrophic' SpaceX Starship explosion tore a hole in the atmosphere last year in 1st-of-its-kind event, Russian scientists reveal

By Harry Baker published

A new study from Russian scientists claims that the unexpected detonation of SpaceX's Starship rocket during a test flight in November 2023 tore an "ionospheric hole" in the upper atmosphere. It is the first time this type of hole has been created by a human-caused explosion.

Space Exploration
Artist's illustration of the New Horizons spacecraft flying by the Kuiper Belt object 2014 MU69 on Jan. 1, 2019

Scientists confirm that most of the universe is 'darkness and nothing more'

By Ben Turner published

Finding the universe's brightness is essential for confirming our theories of what makes up the universe. But to do so, scientists had to send a spacecraft far away from our sun.

Space Exploration
helix nebula

AI uncovers the universe's 'settings' with unprecedented precision, and it could help to resolve the Hubble tension

By Ben Turner published

The new AI system can estimate cosmological parameters with stunning precision, and it could help astronomers unpick one of the thorniest problems in the field.

Astronomy
A rocket launches in the dark with an orange glowing cloud beneath it

SpaceX Falcon 9 rocket grounded for 2nd time in 2 months following explosive landing failure

By Brandon Specktor published

The U.S. Federal Aviation Administration (FAA) has grounded SpaceX's Falcon 9 rocket for the second time in as many months following a routine landing that ended in flames on Wednesday (Aug. 28).

Space Exploration
A colorized photo of a blue and red galaxy with sparkling stars

James Webb telescope spots 6 enormous 'rogue planets' tumbling through space without a star

By Ben Turner published

The James Webb Space Telescope has uncovered six "rogue planets" careening through space without a star. The objects are believed to have formed directly from gas collapse, blurring the lines between planets and stars.

Astronomy
Two overlapping groups of orange and red concentric circles

Gravitational waves hint at a 'supercool' secret about the Big Bang

By Robert Lea published

Scientists might be on track to revealing new facets of physics.

Cosmology
craggy grey rocks float above a reddish orange planet

200 meteorites on Earth traced to 5 craters on Mars

By Victoria Corless published

Astronomers have traced the origins of 200 meteorites to five impact craters in two volcanic regions on Mars, known as Tharsis and Elysium.

Mars
An image of the night sky with one very bright star in the middle

Scientists collect high-resolution images of the North Star's surface for 1st time

By Monisha Ravisetti published

The North Star's surface is surprisingly spotty, new high-definition observations of Polaris reveal.

Space
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