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In all, there are only 400 known Mars rocks on Earth, comprising less than 1% of all known space rocks on the Blue Planet.
The largest-known piece of Mars to be found on Earth will be up for bid and could be sold for up to $4 million at auction.
Colossal volcanic eruptions like the kind that may have obliterated the dinosaurs more than 65 million years ago are caused ...
Rocky bodies called protoplanets were thought to have formed slightly earlier in the inner solar system than those beyond the ...
We have discovered two interstellar objects so far, ’Oumuamua and Comet 2I/Borisov. ’Oumuamua had no dust tail and a ...
The object gained an official name, C/2025 N1 or 3I/ATLAS, on Wednesday. Moving at a record-setting speed for an interstellar ...
Stars often whip their planets with solar winds and radiation, pull them ever closer with gravity and sear them with heat.
TOI-6894 b, the largest exoplanet relative to its host star yet seen, doesn’t fit the most widely accepted formation model ...
Most of the roughly 5,900 exoplanets discovered since the 1990s have been detected using indirect methods, such as through observation of the slight dimming of a star's light when a planet passes ...
What makes the biggest planet so massive? California closes $12 billion budget deficit with hit to migrants ‘MASH' Cast Members We've Lost: Honoring the 4077th's TV Legends Tour pro reports ...
The planet, TOI-6894b, is about the size of Saturn but orbits a star just a fifth the mass of our Sun. This challenges long-standing ideas about how big planets form, especially around small stars.