What could force a supermassive black hole (SMBH) out of its host galaxy? They can have hundreds of millions, even billions of solar masses? What's powerful enough to dislodge one of these behemoths?
Space News & Blog Articles
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Hubble Catches Another Glimpse of 3I/ATLAS
On July 1st, 2025, the third interstellar object (ISO) ever detected was seen making its way through our Solar System. Shortly after being alerted by automated detection systems, astronomers at the European Space Agency (ESA) began using observatories in Hawaii, Chile, and Australia to get a better look at the interstellar interloper. Since then, 3I/ATLAS has been observed by multiple space observatories, including the venerable NASA/ESA Hubble Space Telescope. On Nov. 30th, Hubble viewed the ISO again, which is about to make its closest approach to Earth.
Study: Current, future megaconstellations risk space-based astronomy
a–d, Simulated exposure for Hubble (a), SPHEREx (b), Xuntian (c) and ARRAKIHS (d) space observatories, showing sectors affected by satellite trail contamination. The satellite trails represent the effects of the planned satellites using the orbital and physical parameters of the announced constellations to be operational by 2040. Background galaxies were modelled on the basis of previous studies. Graphic: Borlaff et al via Nature
One of the biggest impacts to the low Earth orbit environment in the near-term and long-term future are satellite megaconstellations, according to a new study, published in the journal Nature. Companies, like Amazon, OneWeb and SpaceX, along with governments, like China and the United States are keen on the idea of controlling hundreds, thousands or even tens of thousands of satellites that serve a connected purpose.
Geminid meteor shower forecast: Will skies be clear across the US on Dec. 13–14?
The Geminid meteor shower peaks Dec. 13–14, and the U.S. weather forecast will play a key role in what you'll see.
The Search for Life Tops NASA's Science Goals for the First Human Mars Mission
When astronauts finally set foot on Mars, they'll arrive carrying the weight of centuries of speculation about whether life exists beyond Earth. Now a new report from the National Academies has settled a fundamental question about priorities: searching for evidence of past or present Martian life should be the primary science objective for humanity's first crewed mission to the red planet, ranking above all other scientific goals including understanding the effects of Mars on human health.
Every space and sci-fi game at The Game Awards 2025
If you didn't stay up to watch The Game Awards 2025, here's the complete rundown of the hottest sci-fi and space games that appeared at the show.
US Space Force to get 'next level' tech to combat drones near Cape Canaveral launch sites
The U.S. Space Force is boosting its ability to deter and defeat drones and other uncrewed aerial systems near Cape Canaveral Space Force Station and the Eastern Range.
Pablo Álvarez Fernández | Spacesuits, Survival & Spacewalk Dreams | ESA Explores #18
Video: 00:22:19
Step inside astronaut training with ESA astronaut Pablo Álvarez Fernández as he shares his training journey from Cologne in Germany to Houston in the US. Discover what it’s like to wear a 145 kg spacesuit underwater, train for emergencies like fires and ammonia leaks and prepare for the ultimate astronaut dream: a spacewalk. Plus, Pablo talks about life in Houston, teamwork under pressure and what’s next on his path to the stars.
XMM-Newton sees comet 3I/ATLAS in X-ray light
Image: XMM-Newton sees comet 3I/ATLAS in X-ray light
How color-changing, bacteria-infused spacesuits could help keep future astronauts safe from space radiation
Like a mood ring, clothing could let future space travelers know when they've been exposed to unsafe levels of radiation.
Comet Lemmon and Milky Way spotted over Hawaii | Space photo of the day for Dec. 12, 2025
Hawaiian stargazers got a particularly special treat recently.
Is the Big Bang a Myth? Part 1: Creation Stories
(This is Part 1 of a series exploring the mythic side of the Big Bang!)
Gravitational Lenses Deliver a Verdict on the Hubble Tension
The Hubble Tension is one of the great mysteries of cosmology. Solving it might require a fundamental change in how we understand the universe - but scientists have to prove it actually exists first. A new paper from a collective of cosmologist researchers known as the TDCOSMO Collaboration adds further fuel to that first with updated measurements of the “Late Universe” measurement of the Hubble Constant using gravitational lenses of quasars, which shows that the Tension might exist after all.
Satellite constellations could obscure most space telescope observations by late 2030s: 'That part of the image will be forever lost'
"The natural question that comes up is: how many more space telescopes will be affected when all these constellations are launched?"
Watch live: Galileo launch on Ariane 6
On 17 December, two Galileo satellites will be launched on an Ariane 6 rocket from Europe’s Spaceport in French Guiana in the 14th launch of operational satellites for the Galileo programme. This will be Galileo’s first launch on Ariane 6 and the fifth launch of Europe’s heavy-lift launcher.
This Week's Sky at a Glance, December 12 – 21
Big Jupiter now rises in the east-southeast less than an hour after dark. It's high in sharp telescopic viewing by about 10 p.m.
Earth from Space: Pariacaca Mountain Range, Peru
Image: Following International Mountain Day, which creates awareness of the importance of mountain environments around the world, the Copernicus Sentinel-2 mission takes us over the Pariacaca Mountain Range in Peru.
Lake-Star Analog for Europa’s Manannán Spider
What geological features on Earth can be used to better understand unique geological features on Jupiter’s icy moon, Europa? This is what a recent study published in *The Planetary Science Journal* hopes to address as a team of researchers investigated potential Earth analogs for studying a unique geological feature on Europa scientists identified almost 30 years ago. This study has the potential help scientists gain insights into Europa’s unique geological features, some of which scientists hypothesize are caused by the moon’s internal liquid water ocean.
Blue Origin targeting Dec. 18 for historic 1st spaceflight of wheelchair user
Blue Origin is targeting Dec. 18 for its NS-37 suborbital launch, which will fly a wheelchair user to space for the first time ever.
SpaceX launches Starlink satellites from Florida on worldwide 300th orbital flight of 2025 (video)
A SpaceX Falcon 9 rocket carrying 29 Starlink satellites launched from Cape Canaveral Space Force Station in Florida on Dec. 11, 2025. It was the 300th worldwide orbital launch attempt of 2025.
