The dependable Hubble Space Telescope has been in orbit for more than 35 years now. It's at a point where it can reexamine objects it observed decades ago and can uncover changes that have transpired over human timescales. This is an impressive feat for a telescope that was projected to last only 15 years.
Space News & Blog Articles
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Blue Origin's huge New Glenn rocket grounded after launch mishap
The Federal Aviation Administration has temporarily grounded Blue Origin's New Glenn rocket, which failed to deliver a satellite to the proper orbit during its third-ever launch on Sunday (April 19).
Sun-Observing Satellite Uses Artificial Eclipse to Capture the Solar Wind
The Proba 3 mission flies two spacecraft in precise formation to create an artificial eclipse and obtain close views of the solar wind as it leaves the Sun.
See the moon shining in the daytime sky this week: Here's where to look
The moon is visible in the daytime sky as it grows thicker ahead of the full phase on May 1.
Spectacular photos of the 2026 Lyrid meteor shower captured from Earth and space
Lyrid meteors were photographed blazing through Earth's atmosphere on the nights surrounding the April 22 peak.
Mars Didn't Have Bathtubs, It Had Shelves
Scientists have been debating for decades whether Mars once held a vast ocean covering a large part of its northern face. To prove the idea, they’ve been looking for a “bathtub ring” - a distinct, level shoreline that shows where water once stood. But, despite years of looking, they’ve only been able to find a very distorted potential shoreline whose height deviates by several kilometers - not exactly great evidence of a stable water level. But, according to a new paper in Nature from Abdallah Zaki and Michael Lamb of CalTech, what scientists should have been looking for wasn’t a bathtub ring, but a continental shelf.
Mysterious rings around Uranus point to hidden moons orbiting the ice giant
The two most puzzling rings around Uranus are gradually giving up their secrets, only to deepen the mystery of the Uranian system.
Turning data from space into action for Earth
Happy Earth Day, 22 April – a global call to act and protect our planet. At the European Space Agency, that action begins in orbit, where satellites deliver a continuous, global view of Earth and track environmental change. Working with partners, ESA turns this stream of data into actionable information through its FutureEO programme, helping governments and communities respond faster and more effectively to climate-driven risks.
Stellar Flares May Expand Habitable Zones Around Small Stars
The search for life beyond Earth has traditionally focused on exoplanets orbiting Sun-like stars, which is a G-type star. However, low-mass stars, which are designated as K-type and M-type stars, have rapidly become a target for astrobiology, primarily due to their much longer lifetimes. This also means the habitable zone (HZ), which is the distance from a star where liquid water could exist, is much smaller than our solar system’s HZ, and is referred to as the liquid water habitable zone (LW-HZ). In contrast, another type of HZ that involves a star’s ultraviolet (UV) radiation potentially enabling life-harboring conditions is known as UV-HZ.
The Nancy Grace Roman Space Telescope, NASA's next great observatory, is finally complete
NASA's Nancy Grace Roman Space Telescope, which is set to launch this coming September, has the potential to show us pockets of the cosmos we've yet to touch.
Scientists Connect Sub-extreme Solar Outbursts to Tree Rings via Poetry
As we make our way through the latest solar maximum period, scholars and scientists are looking to similar events in the past to learn more about ancient bouts of solar activity. In particular, they want to know more about solar proton events (SPEs). These outbursts of high-energy particles get triggered by flares and coronal mass ejections.
You've heard of the Space Force. Now there's a 'NASA Force' — but it's not about making space war
NASA Force aims to recruit industry talent to the space agency for relatively short stints. Applications are open now in the wake of the Artemis 2 moon mission.
Bring nebulas and galaxies into focus with nearly $700 off this smart telescope
Sick of light pollution tainting your astrophotography? Capture nebulas, galaxies and more with $700 off this powerful, portable Unistellar Odyssey Pro smart telescope.
'Dancing' jets erupting from a cannibalistic black hole have the power of 10,000 suns
Astronomers have discovered that jets from a cannibalistic black hole are erupting with the power of 10,000 suns.
Astronomers Find the Edge of the Milky Way
Astronomers have located the edge of the Milky Way’s star-forming disk for the first time, showing that star formation is focused within 40,000 light-years of our galactic center.
The moon and Jupiter steal the show after sunset on April 22
A half moon passes close to Jupiter on April 22, creating a striking scene.
Which Types of Civilizations Collapse and Which Can Endure?
Human history is littered with expired civilizations, and scholars and archaeologists have made a determined effort to understand why and how civilizations collapse. They've found that symptoms like a growing wealth gap and distrust of the elites are precursors to civilizational collapse. But what about global technological civilizations like the one we live in now? How long can they last? What causes their collapse? How can they recover?
NASA rolls out Artemis 3 SLS rocket's huge core stage to gear up for 2027 launch (photo)
NASA rolled the Artemis 3 core stage out from the Michoud Assembly Facility in New Orleans on Monday (April 20). The next stop is the launch site: Kennedy Space Center in Florida.
Astronauts photograph Lyrid meteor shower from ISS | Space photo of the day for April 21, 2026
NASA's Jessica Meir spotted the Lyrids from aboard the space station.
