Explore the vast distances between planets and objects in our solar system, and why most of the space around us is a wide ...

Thanks to Einstein’s relativity, time flows differently on Mars than on Earth. NIST scientists have now nailed down the ...

Astronomers are closing in on one of the most tantalizing possibilities in planetary science, evidence that a previously ...

Using observations from both ground-based telescopes and space instruments, they were able to measure the planet's size and ...

Astronomers at the Center for Astrophysics | Harvard & Smithsonian have captured what may be the biggest planet-forming disk ...

Jupiter, as always, is a dazzling object, shining among the stars of Gemini the Twins. It reaches opposition on Jan. 10; this ...

Here's how the astronomical phenomenon influences our planet—from the length of our seasons to the way Earth moves through ...

Interstellar object 3I/ATLAS is confirmed as a natural comet from beyond our solar system, posing no threat to Earth despite ...

From new exoplanetary neighbors and a weakening dark energy to the best evidence for life on Mars and an interstellar comet ...

The University of Arizona's OSIRIS-APEX spacecraft only made it home once in 2025, but at least it got some nice snapshots ...

January’s episode includes the final consecutive supermoon’s impact on an impressive meteor shower, plus a conversation with ...

From India's trial missions for its first crewed spaceflight to the UAE's attempt at achieving a landing on the moon, 2026 has many space ambitions in store.