Astronomers are closing in on what looks like a colossal missing piece of the Solar System, a giant planet that appears to ...

The other two known interstellar comets did not offer such an opportunity.

Are you still trying to figure out the truth on 3I/ATLAS? You are not alone, space lovers and scientists both have been obsessed with cosmic enigmas in 2025 and 2026. One story that has dominated ...

Comet C/2014 Q2 (Lovejoy) is one of more than 32 comets imaged by NASA's NEOWISE mission from December 2013 to December 2014. This image of comet Lovejoy combines a series of observations made in ...

A sales tax adopted by San Mateo County voters in 2016 has helped fuel the construction of almost 5,000 affordable housing units, officials said Friday. The tax, known as Measure K, was intended to ...

The Kuiper belt, a disc of icy rocks on the outermost edges of the solar system, seems to have more structure than we thought. In 2011, researchers found a cluster of objects there on similar orbits ...

Recent observations from NASA’s James Webb Space Telescope revealed compelling evidence of a giant planet candidate orbiting Alpha Centauri A, a star in the nearest stellar system to the Sun. Led by ...

New research from Rice University suggests that the giant planet Jupiter reshaped the early solar system in dramatic ways, carving out rings and gaps that ultimately explain one of the ...

The United States is one of just three countries that "prefers" imperial measurements over the international metric standard. The motivation why has less to do with official policy than you might ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

Saturn could be more visible than typical this weekend for Michigan stargazers. Saturn, the sixth planet from the sun in the solar system, will be in opposition Sunday, Sept. 21 — appearing opposite ...