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Someone using one of the best telescopes
Best telescopes 2025: Observe galaxies, nebulas and planets Find the best telescopes to unlock the wonders of the night sky and view lunar occultations, celestial conjunctions and planetary parades in January.
Huge, red "super-Jupiter" exoplanet orbits its star.
What's the largest planet in the universe? Astronomers have found planets that are twice as wide as Jupiter and more than 10 times as heavy, but there's a limit to how big planets can get.
An artist's illustration of the James Webb Space Telescope.
James Webb Space Telescope quiz: How well do you know the world's most powerful telescope? The James Webb Space Telescope can look deeper (and earlier) into the cosmos than any telescope before it. How much do you know about this wonder of technology and its incredible findings?

Latest about Space

telescope against a starry sky

Best telescopes 2025: Observe galaxies, nebulas and planets

By Jase Parnell-Brookes last updated

The best telescopes offer an unparalleled view of the cosmos, and we've gathered our favorites.

Space
A side-by-side comparison of images of NGC 346 from JWST and Hubble

Space photo of the week: James Webb and Hubble telescopes unite to solve 'impossible' planet mystery

By Jamie Carter published

New James Webb Space Telescope observations of a star cluster called NGC 346 are shedding light on how, when and where planets formed in the early universe.

Astronomy
an illustration of planets in the solar system

Which planet is closest to the sun?

By Briley Lewis published

Mercury takes only 88 Earth days to orbit the sun.

Planets
Silhouette man sits on the top of rock looking at the beautiful Milky Way Stars at the Grand Canyon of Thailand (Sam Phan Bok)

Milky Way quiz: How well do you know our home galaxy?

By Harry Baker published

Test your knowledge of the Milky Way's size, speed, age, galactic neighbors and more.

Space
A blue haze partially covers the view of a large planet. A smaller orb, a star, passes in the upper left.

Newly discovered super-Earth orbits in and out of its star's habitable zone. Could life survive its extreme climate?

By Keith Cooper published

The climate on such a world must be beyond bizarre.

Exoplanets
Split image of artist's impression of asteroid probe and the Doomsday Clock.

Doomsday predictions, asteroid secrets and more.

By Pandora Dewan published

Science news this week Feb. 1, 2025: Our weekly roundup of the latest science in the news, as well as a few fascinating articles to keep you entertained over the weekend.

Science news this week
Illustration of a satellite in front of Mars.

Mars quiz: Is your knowledge of the Red Planet out of this world?

By Harry Baker published

Think you know Mars? Test your knowledge of our neighboring planet's size, surface, history and more.

Mars
coronal hole on the surface of the sun on Jan. 28.

Gigantic 500,000-mile 'hole' in the sun's atmosphere aims aurora-sparking solar wind at Earth (photo)

By Daisy Dobrijevic published

The gigantic coronal hole is blasting high-speed solar wind toward Earth, potentially igniting vibrant auroras and minor geomagnetic activity on Jan. 31.

The Sun
An illustration of a person in a cockpit of a spacecraft and traveling through light at warp speeds.

Could we travel to parallel universes?

By Paul Sutter published

Let's explore the possibility of traveling to universes beyond our own — if they so exist, that is.

Space
A photo of a Tesla floating in space with a spacesuit-clas mannequin in the driver's seat

Newly discovered near-Earth asteroid isn't an asteroid at all — it's Elon Musk's trashed Tesla

By Harry Baker published

Astronomers have retracted the discovery of a new asteroid after realizing the object was the remains of Elon Musk's Tesla Roadster and its driver "Starman," which were launched into space in 2018.

Astronomy
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