Comets, meteor showers, a supermoon are among the celestial showcases that await stargazers in the Capital Region and Hudson ...

In May 1964, Arno Penzias and Robert Wilson were testing how radio waves bounced off balloon satellites developed by Bell ...

As with many big space stories, 3I/ATLAS is getting a fair share of attention as well as some more controversial theories ...

A new study has attempted to pin down the properties of interstellar comet 3I/Atlas, finding it is "anomalously massive" at ...

Whether it's breakout debuts, blockbuster returns, twisty thrillers or candid memoirs, these are the 2025 releases you won't ...

The data gathered from the chips, combined with previous studies, are anticipated to give NASA more insight into what ...

NASA STEREO-A satellite's SECCHI/HI-2 camera captured this imagery of Comet C/2021 A1 (Leonard) Credit: Space.com | footage ...

The interstellar object hurtling toward the inner solar system, where Earth is located, is much larger than previously thought, astronomers say.

Harvard researcher Avi Loeb says comet 3I/ATLAS weighs 33 billion tons and spans 3.1 miles, making it far larger than previous interstellar visitors.

Named 3I/ATLAS, the comet is only the third known interstellar object to enter our solar system, and it's the largest and ...

Hale-Bopp became known as the "great comet" after the previous "great comet of 1811". That comet was visible to the naked eye for around 260 days, and was the record-holder until Hale-Bopp came into ...