The X-Ray Imaging and Spectroscopy Mission (XRISM), a joint mission between the Japanese Aerospace Exploration Agency (JAXA) and NASA, launched on Sept. 7th, 2023. Its advanced imaging filters and spectrometers were designed to study black holes and neutron stars and detect the hot plasma in the intergalactic medium. Alongside the European Space Agency’s (ESA) X-ray Multi-Mirror Mission Newton (XMM-Newton) and NASA’s Nuclear Spectroscopic Telescope Array (NuSTAR), XRISM has provided the sharpest-ever X-ray spectrum of the iconic MCG–6-30-15.
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SpaceX launches 1st Starlink satellites of 2026 on new Falcon 9 rocket (video)
A SpaceX Falcon 9 rocket carrying 29 Starlink satellites launched from Cape Canaveral Space Force Station in Florida on Sunday, Jan. 4, 2026.
The risk of falling space junk hitting airplanes is on the rise, experts warn
Space debris falling to Earth is a growing threat to aircraft, and experts are trying to reduce the risk.
The next frontier in space is closer than you think – welcome to the world of very low Earth orbit satellites
But as more and more satellites are launched into LEO...the region's getting a bit crowded.
Live long and loiter: Why NASA's ESCAPADE probes will wait a year in space before heading to Mars
NASA's ESCAPADE Mars probes embarked on a 'loiter' trajectory after launch, and scientists say that extra time in space could have some consequences for the twin spacecraft.
2026 begins a golden age of solar eclipses: How to see 3 total solar eclipses and 3 'ring of fire' eclipses in 3 years
Earth is about to see three total solar eclipses in just under two years, with each successive path of totality moving west to east across the globe. Here's everything you need to know to plan an exquisite triple-header.
SpaceX launches first Starlink deployment mission since problem strikes satellite
SpaceX launches the Starlink 6-88 mission from Space Launch Complex 40 at Cape Canaveral Space Force Station on Jan. 4, 2026. This was the company’s first Starlink mission of the year and the first Falcon 9 launch from the Eastern Range of 2026. Image: Michael Cain/Spaceflight Now
Update Jan. 4, 3:38 a.m. EST (0838 UTC): SpaceX confirms deployment of the 29 Starlink satellites.
New Research Reveals how Gravitational Waves Could be Used to Decode Dark Matter
The discovery of Gravitational Waves (GWs) in 2015 confirmed a prediction made by Einstein's Theory of General Relativity and led to a revolution in astronomy. These waves are produced when massive, compact objects (such as black holes and neutron stars) merge, creating ripples in spacetime that can be detected millions of light-years away. A decade later, researchers from the University of Amsterdam (UvA) have proposed how GWs could be used to investigate an enduring cosmological mystery - the existence of Dark Matter.
Earth-like Planets Need a Cosmic-Ray Bath
It's quite a challenge to make an Earth-like world. You need enough mass to hold an atmosphere and generate a good magnetic field, but not so much mass that you hang on to light elements such as hydrogen and helium. You also need to be close enough to your star that you remain comfortably warm, but not so warm that all your water gets baked away. And then you need an abundance of short-lived radioisotopes (SLRs).
Space.com headlines crossword quiz for week of Dec. 29, 2025: Which meteor shower peaks in early January?
Test your space smarts with our weekly crossword challenge, crafted from Space.com's biggest headlines.
2025's extreme weather had the jet stream's fingerprints all over it, from flash floods to hurricanes
First, instead of moving storms quickly eastward, the sluggish jet stream stalled storm systems in place, causing prolonged downpours and flash flooding.
Can scientists detect life without knowing what it looks like? Research using machine learning offers a new way
If nonliving materials can produce rich, organized mixtures of organic molecules, then the traditional signs we use to recognize biology may no longer be enough.
The largest sun of 2026 rises today as Earth draws closest to our parent star
Earth reaches its closest point to the sun in its 2026 orbit on Jan. 3.
The Quadrantid meteor shower peaks tonight, but will the full 'Wolf Moon' outshine the show?
The Quadrantids are known for producing bright "fireball" meteors that can outshine the brightest planets
Using Webb, Canadian Astronomers Shed Light on the Milky Way's Turbulent Past
The Milky Way has a long and fascinating history that extends back to the early Universe - ca. 13.61 billion years ago. In that time, it has evolved considerably and merged with other galaxies to become the galaxy we see today. In a recent study, a team of Canadian astronomers has created the most detailed reconstruction of how the Milky Way evolved from its earliest phases to its current phase. Using data provided by the James Webb Space Telescope (JWST), the team examined 877 galaxies whose masses and properties closely match what astronomers expect the Milky Way looked like over time ("Milky Way twins").
'Star Trek' warps into 2026 with epic 'Space For Everybody' Rose Parade float
2026 is a special year for creator Gene Roddenberry's iconic "Wagon Train To The Stars" sci-fi franchise as it celebrates its 60th anniversary seeking out new life and new civilizations!
Live coverage: SpaceX opens 2026 with launch of Cosmo-SkyMed Earth observation satellite for Italy
The Cosmo-SkyMed Second Generation Flight Model 3 spacecraft is pictured prior to being encapsulated within a pair of SpaceX’s Falcon 9 payload fairings. Image: SpaceX
SpaceX is ringing in the new year with a Falcon 9 rocket launch slated for Friday evening from Vandenberg Space Force Base in California.
Why do I need a VPN?
A VPN, or virtual private network, is great for online safety and accessing content while travelling. It's worth getting, but why? Scroll down to find out.
Watch SpaceX launch the 1st mission of 2026 tonight
SpaceX will launch the first mission of 2026 tonight (Jan. 2), and you can watch the action live.
SpaceX lowering orbits of 4,400 Starlink satellites for safety's sake
SpaceX will soon lower the orbits of about 4,400 Starlink satellites, to decrease the threat they pose to other spacecraft and reduce space traffic overall.
16 upcoming sci-fi shows to be excited for in 2026
Entertainment is the final frontier, as you experience everything from Starfleet to the Green Lantern Corps and Godzilla in 2026.
