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Most powerful gamma ray observatory gets green light

At the start of the year, the European Commission established the Cherenkov Telescope Array Observatory (CTAO) as a European Research Infrastructure Consortium (ERIC), furthering its mission to become the world’s largest and most powerful observatory for gamma-ray astronomy.

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Most powerful gamma ray observatory gets green light

At the start of the year, the European Commission established the Cherenkov Telescope Array Observatory (CTAO) as a European Research Infrastructure Consortium (ERIC), furthering its mission to become the world’s largest and most powerful observatory for gamma-ray astronomy.

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Metal made in space lands on Earth

The first metal 3D part ever created in orbit has landed on Earth.

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Engineers create first flat telescope lens that can capture color while detecting light from faraway stars

For centuries, lenses have worked the same way: curved glass or plastic bending light to bring images into focus. But traditional lenses have a major drawback—the more powerful they need to be, the bulkier and heavier they become.

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SpaceX launch sends ice hunters to the moon

A SpaceX launch Wednesday night sent both a lander and an orbiter on their way to the moon, both on the hunt for ice.

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Private US company blasts off for second moon landing attempt

A US company is aiming for its second lunar touchdown after a lander carrying a suite of unique experiments successfully launched aboard a SpaceX rocket on Wednesday.

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As expected, the threat from Asteroid 2024 YR4 has essentially dropped to zero

New information is pushing Asteroid 2024 YR4 off of our front pages. Initial estimates gave it a 2.8% chance of striking Earth in 2032. Now, the European Space Agency says the chance of it striking our planet is down to a paltry 0.001%.

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Image: The Milky Way on the horizon

NASA astronaut Don Pettit used a camera with low light and long duration settings to capture this Jan. 29, 2025, image of the Milky Way appearing beyond Earth’s horizon.

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View the rare ‘planet parade’ this week and learn why it’s happening

The night sky offers us a variety of spectacles throughout the year, but for the remainder of the month, we have front-row seats to see—not one or two—but seven planets at once.

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Six things to know about NASA’s Lunar Trailblazer

Launching no earlier than Wednesday, Feb. 26, NASA’s Lunar Trailblazer will help resolve an enduring mystery: Where is the moon’s water? After sharing a ride on a SpaceX Falcon 9 rocket with Intuitive Machines’ IM-2 launch—part of NASA’s CLPS (Commercial Lunar Payload Services) initiative—the small satellite will take several months to arrive in lunar orbit. […]

Study reveals how rogue planetary-mass objects form in young star clusters

A study published in Science Advances sheds new light on the mysterious origins of free-floating planetary-mass objects (PMOs)—celestial bodies with masses between stars and planets.

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Adsorptive regolith on Mars soaks up water, updated model shows

Mars, the next frontier in space exploration, still poses many questions for scientists. The planet was once more hospitable, characterized by a warm and wet climate with liquid oceans. But today Mars is cold and dry, with most water now located below the surface. Understanding how much water is stored offers critical information for energy […]

Private US company set for second moon landing attempt

Intuitive Machines made history last year as the first private company to put a robot on the moon, although the triumph was marred by the lander tipping onto its side.

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Mars’s core evolution: Lab experiments hint at solid inner core formation

Geochemical evidence from laboratory experiments for a potential solid inner core at the center of Mars is reported in Nature Communications.

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Study investigates outburst of cataclysmic variable system GK Persei

Chinese astronomers have analyzed the data from NASA’s Swift observatory, which extensively observed an outburst of the cataclysmic variable system known as GK Persei. Results of the study, published February 20 on the arXiv preprint server, shed more light on the nature of this system.

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