By Tom Hawking Published Nov 30, 2025 9:00 AM EST Tayfun Coskun/Anadolu via Get the Popular Science daily newsletter💡 ...

NASA shares new data on interstellar comet 3I/ATLAS, including HiRISE, Hubble, Webb & MAVEN observations, comet behavior and ...

Footage from NASA/ESA Hubble Space Telescope that celebrates 35 years in space. Images of Mars, planetary nebula NGC 2899, ...

Before Sunday, the volcano's last known eruption roughly coincided with the beginning of our current Holocene Epoch, when the ...

These images mark an early milestone in the mission, confirming that OSIRIS-APEX is healthy and on course for its 2029 ...

3I/ATLAS is only the third known interstellar visitor, hence the prefix “3I.” The second known interstellar body, Comet 2I/Borisov, was discovered by the Russian astronomer Gennady Borisov in August ...

Europa Clipper has a rare opportunity to sample an interstellar object’s tail.” The remark by Samuel Grant and Geraint Jones captures both the scientific rarity and the urgency surrounding comet ...

When a faint green smudge appeared in images from a backyard telescope in Aguadilla, Puerto Rico, on Nov. 22, 2025, astronomers did not expect it to upend basic assumptions about how comets work. Yet ...

NASA will host a live event at 3 p.m., Wednesday, November 19, to share imagery of the interstellar comet 3I/ATLAS.

New telescope observations reveal structural features never documented in any known celestial object The morphology defies conventional understanding. The forward anti-tail persists where physics says ...

NASA released new images of 3I/ATLAS, the third comet ever to be discovered in Earth's cosmic neighborhood originating from ...

Recent Satellite Launch News. It’s been a busy time for rocket launches lately, with a few key missions making headlines.