Tech

four black and white photos showing closeup looks at a spacecraft in earth orbit

NASA's solar-sailing spacecraft has a bent boom and is still tumbling in Earth orbit (photo)

By Mike Wall published

The technology-demonstrating Advanced Composite Solar Sail System has a bent boom in Earth orbit, but NASA says it shouldn't be a big deal.

Tech
In a room with black spikey foam walls, a white pipe holds up a device with metal components that circle outward to the left to connect with a thing rectangular bar standing adjancent.Power-beaming equipment developed by Space Solar tested in a lab experiment.

Breakthrough coming? Iceland could get solar power from space in 2030

By Tereza Pultarova published

A British startup plans to supply solar power from space to Icelanders by 2030, in what could be the world's first demonstration of the novel renewable energy source.

Tech
VIEW MORE

Spaceflight

A view from the Cupola porthole on the International Space Station.

Both Harris and Trump have records on space policy − an international affairs expert examines where they differ when it comes to the final frontier

By Thomas G. Roberts published

The next president of the United States could be the first in that office to accept a phone call from the Moon and hear a woman’s voice on the line.

Human Spaceflight
an astronaut with a helmet visible in the round doorway of a spacecraft hatch, whose door is open showing gears and mechanics

Artemis 2 astronauts train for emergencies with Orion spacecraft ahead of 2025 moon launch (photos)

By Elizabeth Howell published

How do you get ready for a moon mission? The Artemis 2 astronauts practiced a day in space ahead of their historic liftoff in 2025 to see what living in the Orion spacecraft is like.

Human Spaceflight
VIEW MORE

Science & Astronomy

Abstract, futuristic image of blue light streaks radiating outward, giving the impression of rapid movement or traveling at high speed, inspired by the concept of faster-than-light travel

What is the speed of light?

By Vicky Stein last updated

Reference The speed of light puts a speed limit on matter, lets us peer back into the history of our universe, and has deep implications for physics and space travel.

Reference
An illustration of the Earth with blue and red lines swirling through the Atlantic

Key Atlantic current could collapse soon, 'impacting the entire world for centuries to come,' leading climate scientists warn

By Sascha Pare published

Leading climate scientists ring alarm bell on key Atlantic Ocean current collapse in open letter.

Climate Change
VIEW MORE

Meet the team

Search For Life

An artist's impression of the purported Black Knight satellite, the focus of a long-lived conspiracy theory.

The 'Black Knight' satellite conspiracy: Uncovering the 120-year-old alien mystery

By David Crookes last updated

According to conspiracy theorists, the Black Knight satellite is an alien spacecraft orbiting Earth. Here's what's really going on.

Search for Life
An illustration of the Kuiper belt beyond which a hypothetical ninth planet has been suggested to dwell

Does alien life need a planet to survive? Scientists propose intriguing possibility

By Paul Sutter published

While such organisms may or may not exist in the universe, the research has important implications for future human endeavors in space.

Search for Life
Seven Earth-like planets orbit the Trappist-1 star.

SETI tests new alien-hunting strategy, but TRAPPIST-1 planets remain silent

By Keith Cooper published

A new search for extraterrestrial radio signals during planetary occultations in the TRAPPIST-1 system provides a promising new strategy for hunting for extraterrestrial life.

Search for Life
VIEW MORE

Skywatching

A dark brown and black nebulas gas cloud stretches across a black expanse of countless stars, its center glowing with a subtle yello-orange

Space pictures! See our space image of the day

By Space.com Staff last updated

Space.com's image of the day rounds up the most awe-inspiring space photos right here, with a new image everyday.

Astrophotography
graphic with night sky in large font and silhouettes of people below looking up at the night sky.

Night sky for tonight: Visible planets, stars and more in this evening's sky

By Jamie Carter last updated

Find out what you can see in the night sky for tonight, from planets and stars to dazzling meteor showers.

Stargazing
Celestron telescope – Astro Fi 102

Celestron telescope & binocular deals 2024

By Gemma Lavender last updated

Deals We've scoped out all the best Celestron telescope and binoculars deals on the market and put them in this handy guide.

Deals
VIEW MORE

Entertainment

Black Friday

6 reasons not to buy in the Black Friday sales

By Mina Frost published

While there are mistakes to avoid and reasons not to buy in the Black Friday sales, here's our advice to make the most of the shopping event.

Entertainment
four people, including a female astronaut in a white spacesuit, stand on a stand in front of a red curtain

Who's in your commercial? Capital One ad stars (unnamed) astronaut

By Robert Z. Pearlman published

A banker, an athlete and an astronaut walk onto a stage... No, that is not the setup for a joke, but rather the premise behind a new commercial starring a veteran NASA space traveler.

Entertainment
A man with a tooth alien creature emerging from his back

'Venom: The Last Dance' is a fun and fitting farewell to Tom Hardy's alien antics (review)

By Jeff Spry published

A review of Sony Pictures' "Venom: The Last Dance," a tight and focused final edition to Tom Hardy's alien symbiote trilogy spin-off from the Spiderman universe.

Entertainment
VIEW MORE

References

Abstract, futuristic image of blue light streaks radiating outward, giving the impression of rapid movement or traveling at high speed, inspired by the concept of faster-than-light travel

What is the speed of light?

By Vicky Stein last updated

Reference The speed of light puts a speed limit on matter, lets us peer back into the history of our universe, and has deep implications for physics and space travel.

Reference
Graphic illustration of Einstein's theory of general relativity showing two spheres in close proximity and a series of ripples emanating from them.

What is the theory of general relativity? Understanding Einstein's space-time revolution

By Nola Taylor Tillman, Meghan Bartels, Scott Dutfield last updated

Reference Albert Einstein's theory of general relativity is based on the idea that massive objects cause a distortion in space-time, which is felt as gravity.

Reference
Graphic illustrating quantum entanglement when two particles are linking together.

Quantum Entanglement: Unlocking the mysteries of particle connections

By Jesse Emspak last updated

Reference Quantum entanglement states that two particles are connected and affect one another even if those particles are light-years apart.

Reference
VIEW MORE