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'One of the most geometrically perfect': What is this mysterious sphere deep in the Milky Way galaxy?
By Stefanie Waldek published
A supernova remnant (SNR) discovered by astrophysicist Miroslav Filipović of Western Sydney University displays an astonishingly spherical shape.

Scientists capture never-before-seen plasma streams and bizarre 'raindrops' in sharpest-ever view of sun's outer atmosphere (video)
By Daisy Dobrijevic published
Using a newly developed adaptive optics system called Cona, scientists peered through Earth's turbulent air to reveal the sun's corona in astonishing clarity.

Can we protect historical sites on the moon before it's too late?
By Leonard David published
A number of groups and individuals say there's a need to protect lunar history before it's too late.

Astronomers discover mystery cosmic body bursting with X-rays: 'This object is unlike anything we have seen before'
By Robert Lea published
The mystery surrounding a strange cosmic object, or 'long-period transient,' has deepened. This object is bursting with X-rays, and astronomers describe it as unlike anything seen before.

How to watch the 2025 Humans to the Moon & Mars Summit May 28 and 29 (video)
By Samantha Mathewson published
The 2025 Humans to the Moon & Mars Summit (H2M2) will be held May 28 and 29 in Washington, D.C., and will include panels discussing the future of human space exploration.

JWST peers through a cosmic lens in 'deepest gaze' to date | Space photo of the day for May 27, 2025
By Robert Z. Pearlman published
A massive galaxy cluster, Abell S1063, forms a gravitation lens, revealing the warped light from more distant galaxies dating back to the early universe in this James Webb Space Telescope image.

NASA satellites show Antarctica has gained ice despite rising global temperatures. How is that possible?
By Patrick Pester published
An abrupt change in Antarctica has caused the continent to gain ice. But this increase, documented in NASA satellite data, is a temporary anomaly rather than an indication that global warming has reversed, scientists say.

New theory could finally make 'quantum gravity' a reality — and prove Einstein wrong
By Andrey Feldman published
A new physics paper takes a step toward creating a long-sought "theory of everything" by uniting gravity with the quantum world. However, the new theory remains far from being proven observationally.

China signs deal with Russia to build a power plant on the moon — potentially leaving the US in the dust
By Ben Turner published
A new memorandum has firmed up China and Russia's intent to lead the construction of a new lunar base to be completed by 2036, as NASA talks about scaling back its own lunar ambitions.
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