NASA’s Polarimeter to Unify the Corona and Heliosphere (PUNCH) mission launched in 2025 alongside NASA’s SPHEREx space ...

As the year draws to a close, we take a look at some of the biggest science stories of the year, and why they matter.

Scientists are studying 3I/ATLAS' unusual sunward jet to determine whether it behaves like a natural comet or something far ...

Astronomers analyzing the interstellar object known as 3I/ATLAS say new trajectory and composition data point to an origin ...

KEY OBSERVATIONS The first alert came quietly. The data did not look wrong—just unfamiliar. What followed has forced ...

A new radio investigation of the interstellar object 3I/ATLAS has attracted significant attention from astronomers and SETI ...

The extraordinary interstellar object 3I/ATLAS has remained a fascinating object of study for astronomers since it flew past ...

Observations of 3I/ATLAS reveal that streaming gas in its anti-tail is limited to 5,000 km, with larger dust particles ...

A new look at December imagery suggests we are not seeing a solid surface at all—but a finely balanced cloud of dust that ...

I/ATLAS, the interstellar object discovered in 2025, reveals the estimated population, composition, and distribution of ...

Fresh observations from the Hubble Space Telescope have intensified debate over the nature of 3I/ATLAS, a fast-moving ...

You're going to see a lot of stories in 2026 claiming soon-to-be-achieved science and tech advances. Here are the ones just ...