A solar conjunction occurs as Venus' orbit carries it into alignment with the sun and Earth.
Congress plans to allocate $24.4 billion to NASA for fiscal year 2026, nearly $6 billion more than President Trump had proposed.
Astronomers have measured the mass of a free-floating planet for the first time. Comparable to Saturn, it’s surprisingly massive for such rogue worlds.
The reservoir seen in this image is sometimes referred to as the "eye of Quebec."
From ancient stargazers to modern-day space scientists, women have shaped our understanding of the cosmos. This crossword celebrates their brilliance, resilience, and astronomical achievements.
Bad news for those hoping interstellar invader 3I/ATLAS is an alien spacecraft as technosignature search turns up empty.
China's ice-hunting Chang'e 7 mission is scheduled to launch to the moon later this year, helping set the stage for a lunar base that the country aims to build in the 2030s.
Vandenberg SFB Guardians and Airmen supported the NASA Tandem Reconnection and Cusp Electrodynamics Reconnaissance Satellites (TRACERS) mission launch aboard a SpaceX Falcon 9 rocket from Space Launch Complex 4E (SLC-4E) at Vandenberg Space Force Base, July 23, 2025. At the forefront of space operations at Vandenberg, the safety team ensures minimal risk for safe, reliable and frequent access to space. Image: U.S. Space Force/Jennifer Green-Lanchoney
A new orbital launch site is up for grabs at Vandenberg Space Force Base (VSFB) in California.
Stars and planets are inextricably linked. They form together and stars shape the fate of planets. Stars create the dusty protoplanetary disks that give birth to planets of all kinds. And when a star dies, planets are either blown apart, swallowed, or doomed to spend an eternity in cold and darkness.
Spain's latest military communications satellite suffered a debris impact while headed to its orbital destination. The extent of the damage is still unknown.
For 2026, I want to be more myself — less stress and rumination, more centeredness and joy — and that’s going to necessitate a lot more time beneath the stars.
One of the main questions in exoplanet science concerns M dwarfs (red dwarfs) and the habitability of exoplanets that orbit them. These stars are known for their prolific and energetic flaring, and that's a problem. M dwarfs are so small that their habitable zones are in tight proximity to them, putting any potentially habitable planets in the direct line of fire of all this dangerous flaring.
The Department of Defense is taking administrative action against former NASA astronaut and current U.S. Senator Mark Kelly over remarks he made in a 90-second video in November.
We'll be battling aliens, surviving cosmic horrors, and conquering the stars in 2026 with these upcoming space and sci-fi games.
"If this interaction between dark matter and neutrinos is confirmed, it would be a fundamental breakthrough."
A team using the NASA/ESA Hubble Space Telescope has uncovered a new type of astronomical object – a starless, gas-rich, dark-matter cloud that is considered a 'relic' or remnant of early galaxy formation. Nicknamed 'Cloud-9,' this is the first confirmed detection of such an object in the Universe.
Nearly every galaxy has a supermassive black hole in its core. Whether the black hole forms first and then the galaxy around it—or the other way around—is still a matter of some debate, but we know the evolution of both are deeply connected. We can use that relationship to study the black holes.
The shape of the universe is not something we often think about.
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Media representatives joined French ESA astronaut Sophie Adenot, on Monday 5 January, for a hybrid press conference to learn more about her first mission to space.
Astronomers are gathering in Phoenix this week for the 247th meeting of the American Astronomical Society (AAS 247), where the latest discoveries from exoplanets, JWST and upcoming space missions will take center stage.
Regulus is the brightest star in the zodiacal constellation Leo.
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