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The Latest Breaking News from Space

Interstellar visitors like comet 3I/ATLAS are the most common objects in the Milky Way: 'There's almost always one within the solar system'

Astronomers say that mysterious interstellar visitors like 'Oumuamua and 3I/ATLAS are the most common large bodies in the Milky Way — and our best chance to study other planetary systems.

Space

A close shave on the ISS | Space photo of the day for Sept. 16, 2025

Even though they're far from home, astronauts on the International Space Station still have normal routines, including getting regular haircuts.

Space

Whose monster is it anyway: Match the literary sci-fi monster to its book

In this quiz, you'll match iconic sci-fi monsters to the books that birthed them—and the authors who dared to imagine the unimaginable.

Space

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New space junk removal idea: Using ion engine exhaust to knock debris out of the sky

With a modest amount of thrust and power, a new ion engine system could get rid of 1-ton pieces of space junk in less than 100 days. Here's how it works.

Space

'A game changer': Space shuttle astronaut Pam Melroy joins Venus Aerospace after revolutionary rocket engine breakthrough

Former NASA deputy chief and shuttle commander Pam Melroy has joined Venus Aerospace's board after its groundbreaking RDRE flight, bringing her decades of experience to help scale the startup's propulsion technology.

Space

'We are ready to drive': Take a look inside Lunar Outpost's moon rover mission control (photos)

The rover's design is "a mix between a dune buggy and a heavy-duty truck."

Space

We can finally predict when Mars' skies will glow green with auroras, scientists say

"The fact that we captured the aurora again demonstrates that our method for predicting aurorae on Mars and capturing them works."

Space

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See Jupiter and the moon join the Gemini twins in the predawn sky on Sept. 16

The crescent moon will shine with Jupiter among the stars of Gemini early on Sept. 16.

Space

Are 'little red dots' seen by the James Webb Space Telescope actually elusive 'black hole stars'?

The mystery of the James Webb Space Telescope's "little red dots" could be solved if they are not ancient galaxies but are entirely new celestial objects called "black hole stars."

Space

The ultimate comet challenge: A tail of trivia!

This quiz invites you to chase comets through time and space, from ancient omens to modern scientific marvels.

Space

Firefly Aerospace’s Alpha rocket cleared to fly again after April 29 launch failure

Firefly Aerospace has completed its investigation into the anomaly that caused its Alpha rocket to a plunge into the sea near Antarctica on April 29.

Space

50 years ago, NASA sent 2 spacecraft to search for life on Mars – the Viking missions' findings are still discussed today

Viking consisted of two twin orbiters and landers, with experimental chambers in the landers to conduct three biology experiments.

Space

The moon and Venus visit the 'Heart of the Lion' this week. Here's how to see it

A striking sight to the unaided eye; even more so with binoculars.

Space

These 2 European telescopes use lasers to track potentially dangerous space junk (video)

The laser system provides real-time positional data on the huge cloud of space debris above our heads in low Earth orbit.

Space

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Interstellar comet 3I ATLAS glows green during lunar eclipse | Space photo of the day for Sept. 15, 2025

During September's total lunar eclipse, astronomers captured rare images of interstellar comet 3I/ATLAS glowing green, suggesting more about its chemistry.

Space

15 years on, 'Halo: Reach' continues to be the golden standard of video game prequels

Bungie's Halo swan song remains a fan-favorite installment, and its appeal after all these years is more than just nostalgia.

Space

Where will the partial solar eclipse be visible on Sept. 21?

The 'equinox eclipse' will bring up to 86% coverage across New Zealand, Antarctica and parts of the South Pacific.

Space

NASA satellites spot brand-new island in Alaska formed by melting glacier (photos)

Satellite images reveal a new island in Alaska's Alsek Lake, formed as retreating glaciers reshape the landscape.

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1 week to go until the moon takes a ‘bite’ out of the sun during partial solar eclipse on Sept. 21

The moon will roll across the face of the sun on Sept. 21 for lucky viewers in the southern hemisphere.

Space

SpaceX launches Northrop Grumman's biggest-ever cargo spacecraft on its 1st mission to the ISS (video)

SpaceX launched Northrop Grumman's new "Cygnus XL" cargo ship on its debut mission to the International Space Station on Sunday (Sept. 14).

Space

LIGO Legacy: 10 incredible gravitational wave breakthroughs to celebrate observatory's landmark 2015 find

The first-ever detection of gravitational waves was made 10 years ago today (Sept. 14). In celebration, Space.com takes you through the most significant gravitational wave discoveries to date.

Space

SpaceX launches 300th Starlink satellite-internet mission (video)

SpaceX launched 24 Starlink internet satellites from Vandenberg Space Force Base in California today (Sept. 13). It was the 300th Starlink mission to date, according to the company.

Space

Russian Progress spacecraft arrives at the ISS with 2.8 tons of cargo

Russia's Progress 93 freighter arrived at the International Space Station today (Sept. 13), two days after launching atop a Soyuz rocket.

Space

Scientists track down fresh boulder falls on the moon

By poring over thousands of satellite images, researchers geolocated 245 fresh boulder tracks, revealing signs of seismic activity or impact events within the last half-million years.

Space

This Week In Space podcast: Episode 177 — Life on Mars?

On Episode 177 of This Week In Space, Rod Pyle and Tariq Malik are joined by Michael Tice to talk about a possible detection of ancient life on Mars.

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