Our search for exoplanets is focused on Milky Way stars. It's been successful, with more than 6,000 detected so far. Scientists are even beginning to move beyond mere detections, and working on characterizing other characteristics of these planets, especially their atmospheres.
Space News & Blog Articles
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SpaceX Starship timeline delays astronaut moon landing for NASA's Artemis 3 mission to 2028: Report
At this rate, Starship will not be ready in time for NASA's schedule.
'Invasion' showrunner Simon Kinberg on Season 3's cliffhanger finale and high hopes for Season 4 (exclusive)
'In many ways this was our 'The Guns of Navarone' season and they completed their mission'.
Chinese astronauts to get replacement spacecraft after debris strike leaves them without a ride home
China has a launch date for an uncrewed spacecraft that will replace one damaged by space debris while docked at the Tiangong Space Station.
Mars spacecraft images pinpoint comet 3I/ATLAS's path with 10x higher accuracy. This could help us protect Earth someday
This is great news for planetary defense.
Is an aurora cruise worth it? I joined Hurtigruten's Signature Voyage to find out
Sailing through Arctic Norway under the aurora, this voyage redefines what cruising and chasing the northern lights can really be.
Advent Calendar versus Gingerbread AT-AT: Which new Lego Star Wars set should you get for Christmas 2025?
Two new Christmas-themed Lego Star Wars sets are on the market, but which should you get this holiday season, the Advent calendar or the Gingerbread AT-AT?
Astrophotographer spies an ancient supernova remnant shining in the wing of a cosmic swan (photo)
The Eastern Veil Nebula is part of a colossal supernova remnant known as the Cygnus Loop.
ESA investigates high-stakes Amazon tipping point
For decades, the Amazon rainforest has quietly absorbed vast quantities of human-generated carbon dioxide, helping to slow the pace of climate change. Recent evidence, however, suggests that this vital natural buffer may be weakening – though uncertainties remain.
Satellite captures destructive power of Hurricane Melissa | Space photo of the day for Nov. 17, 2025
The image shows the difference in temperature between the top of a hurricane and the bottom.
The Sun Left Home in a Hurry
By exploring the edge of the solar system, astronomers have estimated how long our star stuck around its siblings after birth.
Asteroid 2024 YR4 Was Earth's First Real-Life Defense Test
At this point in history, astronomers and engineers who grew up watching Deep Impact and Armageddon, two movies about the destructive power of asteroid impacts, are likely in relatively high ranking positions at space agencies. Don’t Look Up also provided a more modern, though more pessimistic (or, unfortunately, realistic?), look at what might potentially happen if a “killer” asteroid is found on approach to Earth. So far, life hasn’t imitated art when it comes to potentially one of the most catastrophic events in human history, but most space enthusiasts agree that it's worth preparing for when it will. A new paper, available in pre-print on arXiv, from Maxime Devogèle of ESA’s Near Earth Object (NEO) Coordination Centre and his colleagues analyzes a dry run that happened around a year ago with the discovery of asteroid 2024 YR4.
How the sun threatens your nuts: Inside the $100 million solar storm peanut problem
Solar storms don't just trigger impressive auroras; they can scramble the GPS systems U.S. farmers rely on.
Sentinel-6B launch highlights
Video: 00:02:09
Copernicus Sentinel-6B was launched on 17 November 2025, ready to continue a decades-long mission to track the height of the planet’s seas – a key measure of climate change. The satellite was carried into orbit on a Falcon 9 rocket from the Vandenberg Space Force Base in California, US.
SpaceX launches joint NASA-European sea level monitor
A Falcon 9 rocket launches Nov. 17, 2025, carrying the Sentinel-6B ocean monitoring satellite. Image: SpaceX.
SpaceX launched a joint NASA-European environmental research satellite early Monday, the second in an ongoing billion-dollar project to measure long-term changes in sea level, a key indicator of climate change.
Sentinel-6B launched to extend record of sea-level rise
The latest guardian of our oceans has taken its place in orbit. The Copernicus Sentinel-6B satellite is now circling Earth, ready to continue a decades-long mission to track the height of the planet’s seas – a key measure of climate change.
SpaceX Falcon 9 to launch international satellite to keep watch on rising sea levels
A Falcon 9 rocket stands at pad 4E at Vandenberg Space Force Base ahead of the planned launch of the Sentinel-6B mission. Image: SpaceX.
Update: Launch occurred on time and Sentinel-6B was successfully deployed. Read launch story.
DESI's Dizzying Results
In March of 2024 the DESI collaboration dropped a bombshell on the cosmological community: slim but significant evidence that dark energy might be getting weaker with time. This was a stunning result delivered after years of painstaking analysis. It’s not a bullet-proof result, but it doesn’t have to be to make our lives more interesting.
Astronomers Detect the Early Shape of a Star Exploding for the First Time
Conventional wisdom has it that stars keep their spherical shape because of the careful balance between gravitational pressure and the internal pressure caused by the nuclear fusion happening in their cores. When they run out of nuclear fuel, they undergo gravitational collapse at their core while the outer shell falls inward and rebounds. For particularly massive stars, this triggers a massive explosion (a supernova) that blows off the outer layers of the star, dispersing material into space and filling the interstellar medium (ISM).
The Leonid meteor shower peaks tonight: Here's where to look for 'shooting stars'
Leonid meteors may appear whenever the constellation Leo is above the horizon.
