ESA’s Hera mission is two-year flight to the Didymos binary asteroid system. See its trajectory here. Credit: ESA - European ...

Comet 3I/ATLAS is a rare visitor passing briefly through our solar system. Here’s how to find it in the night sky—and what ...

I/ATLAS has passed its closest point to Earth, meaning we will soon lose sight of it for good. Some scientists want to send a spacecraft to chase down the alien comet — or the next interstellar object ...

This week marks the last chance for backyard astronomers to see interstellar Comet 3I/ATLAS before it races on its journey ...

Interstellar comet 3I/ATLAS makes its closest approach to Earth this week, sparking alien theories and global interest as ...

The educator and broadcaster on the search for life beyond Earth, what we might gain from mining on the Moon — and how to divert a killer asteroid ...

Explore HubbleHubble HomeOverviewAbout HubbleThe History of HubbleHubble TimelineWhy Have a Telescope in Space?Hubble by the ...

The Geminids first began appearing in the mid-1800s. They are bright, so they're often easier to see than other meteors, NASA explained.

Comet 3I/ATLAS, a rare interstellar visitor, is visible this week as it departs the solar system, with some public events ...

With 3I/ATLAS slated to make its Earth tour in two days, amateur photographers and astronomers alike are scrambling to catch ...

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This weekend, dozens of meteors, including some especially brilliant ones called fireballs, are expected to streak across the ...