New models suggest Uranus and Neptune may hold far more rock than expected, raising questions about how these distant planets formed.

Comet Lemmon was discovered in January 2025 and made its closest approach to Earth in late October 2025. But by November 2025 ...

The cold and remote planets originally earned their label of "ice giants" to contrast their interiors from those of Jupiter ...

Looking for a sky event this week? Check out our full Sky This Week column. December 10: Spot Neptune With no Moon in the ...

Which planet is the furthest from the sun? Some may think it’s Pluto, but it’s actually Neptune. Learn more about this ice giant and how it can help us understand more about planets in our Solar ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Picture a galaxy, with its shining stars and space dust. What does ...

Stephen DiKerby receives funding from the National Science Foundation. Whether the universe will “end” at all is not certain, but all evidence suggests it will continue being humanity’s cosmic home ...

The James Webb Space Telescope (JWST), employing its infrared capabilities, offered new insights into the Sombrero Galaxy (M104), revealing previously hidden stars by softening the appearance of its ...

We independently review everything we recommend. We may get paid to link out to retailer sites, and when you buy through our links, we may earn a commission. Learn more› By Seth Berkman Seth Berkman ...

James Webb Space Telescope’s infrared view capturing some of the oldest galaxies ever observed, revealing new insights into early galaxy formation and cosmic history. Pixabay, WikiImages The James ...

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 ...