The Hubble Space Telescope has zoomed in on a tightly bound cluster of stars located in a satellite galaxy of the Milky Way, producing an image of a globular cluster that looks like a frosty cosmic snowball.
Space News & Blog Articles
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30 years ago, astronauts saved the Hubble Space Telescope
Launched with faulty vision, the Hubble Space Telescope and NASA were a laughing stock – until seven astronauts performed a series of daring spacewalks to fix it.
Getting Started with Your New Telescope
How to start successfully with a new telescope — a guide to what you need to know, how to set it up, and things you can start finding with it in tonight's sky.
12 out-of-this-world exoplanet discoveries in 2023
From scorching hot Jupiters to worlds that seem to be a little like Earth, here are 2023's most exciting exoplanet finds.
This light-bending tech will let scientists see the sun like never before
Two upcoming solar missions will be armed with "photon sieves." Here's what that means.
Artemis 2 moon crew invited to visit SpaceX to talk Starship (exclusive)
Artemis 2 commander Reid Wiseman, a NASA astronaut commanding the first human moon crew in half a century, sat down with Space.com to talk about SpaceX, meeting movie moon astronaut Tom Hanks and what to expect on his historic mission.
12 of the most exciting black hole developments from 2023
2023 has been a bumper year for black holes, especially those of the supermassive variety. Here is Space.com's picks for the most exciting black hole stories of the year.
13 record-breaking space discoveries of 2023
Some of the strongest, longest, smallest, biggest and best reasons to celebrate space as the year comes to a close. There are a handful of awesome firsts in here too.
55 years after Apollo 8's Christmas at the moon, a new Artemis crew readies for launch (exclusive)
Apollo 8 flew three astronauts around the moon in 1968. Artemis 2 plans to run a similar mission in 2024 or so, and the mission commander said the astronauts do see parallels in the two missions.
Miniaturized Jumping Robots Could Study An Asteroid’s Gravity
Missions focusing on small bodies in the solar system have been coming thick and fast lately. OSIRIS-Rex, Psyche, and Rosetta are all examples of projects that planned or did rendezvous with a small body in the solar system. But one of their biggest challenges is understanding the gravity of these bodies – which was especially evident when Philae, Rosetta’s lander, had a hard time staying on the surface of its intended comet. A new idea from researchers at the University of Colorado Boulder and NASA’s Jet Propulsion Laboratory could help solve that problem – by bouncing small probes around.
How Supersymmetry Saved String Theory
String theory, like most revolutions, had humble origins. It started all the way back in the 1960’s as an attempt to understand the workings of the strong nuclear force, which had only recently been discovered. Quantum field theory, which had been used successfully to explain electromagnetism and the weak nuclear force, wasn’t seeming to cut it, and so physicists were eager for something new.
Using Smart Materials To Deploy A Dark Age Explorer
One of the most significant constraints on the size of objects placed into orbit is the size of the fairing used to put them there. Large telescopes must be stuffed into a relatively small fairing housing and deployed to their full size, sometimes using complicated processes. But even with those processes, there is still an upper limit to how giant a telescope can be. That might be changing soon, with the advent of smart materials – particularly on a project funded by NASA’s Institute for Advanced Concepts (NIAC) that would allow for a kilometer-scale radio telescope in space.
The Atmosphere of an Exoplanet Reveals Secrets About Its Surface
As astronomers have begun to gather data on the atmospheres of planets, we’re learning about their compositions and evolution. Thick atmospheres are the easiest to study, but these same thick atmospheres can hide the surface of a planet from view. A Venus-like world, for example, has such a thick atmosphere making it impossible to see the planet’s terrain. It seems the more likely we are to understand a planet’s atmosphere, the less likely we are to understand its surface. But that could change thanks to a new study in the Monthly Notices of the Royal Astrophysical Society.
Home (Alone) on Mars: Actor Daniel Stern on leading NASA in 'For All Mankind'
If there is a multiverse where every possible outcome happens, then in one of those universes Marv Murchins from "Home Alone" is NASA's chief. Such a thing is playing out on 'For All Mankind.'
Watch giant loop of plasma dance above the sun in stunning video
A huge loop of plasma dances above the surface of the sun in a stunning timelapse captured by astrophotographer Miguel Claro.
Alexander Skarsgård to star in Apple TV+ sci-fi 'Murderbot' series
Everyone's favorite homicidal SecUnit will soon head to the small screen in a new "Murderbot" TV series picked up by Apple TV+ based on author Martha Wells's thrilling collection.
10 times the night sky amazed us in 2023
The night sky of 2023 delivered many amazing views of the moon, comets, meteors and even space debris. Here are this year’s most memorable skywatching sights.
Live Coverage: SpaceX delays launch of twin radar satellites for German military
A SpaceX Falcon 9 is scheduled to launch the SARah 2 & 3 satellites for the German military. The twin craft, equipped with passive synthetic aperture radar reflectors, will liftoff from Vandenberg Space Force Base during an 83-minute window that opens at 5:11 a.m. PST / 8:11 a.m. EST / 1311 UTC on Sunday, Dec. 24.
12 James Webb Space Telescope findings that changed our understanding of the universe in 2023
These are the James Webb Space Telescope's most notable discoveries in 2023.
SpaceX Falcon 9 rocket to launch 2 German military satellites early Dec. 23
A SpaceX Falcon 9 rocket is set to launch two radar reconnaissance satellites for the German military early Saturday morning (Dec. 23).
Life beyond Earth may form in the coldest depths of space, Ryugu asteroid samples reveal
PAHs may be able to form in cold regions of space, affecting what scientists think about the origins of planets and possibility of alien life.
