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The stars as seen from Earth would have looked dimmer 14 million years ago, as the solar system was in the middle of passing ...

Primordial helium from the beginning of the solar system may be stuck inside Earth's solid core, new research suggests. The findings could have implications for a long-standing debate about how ...

From there, we can try to understand how strange our solar system really is, or how normal it is.” Carbon dioxide has been an essential ingredient for development of life on Earth, making it a ...

If they happen to spray out in Earth’s direction, CMEs can cause geomagnetic storms that damage power systems on the ground or spacecraft in orbit. And solar flare radiation itself can disrupt ...

The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system in HR 8799, a multiplanet system 130 light-years away that has long been a ...

"These objects really could be anywhere in the solar system at any given time." One million alien visitors from another star system could already be lurking in the solar system. We aren't talking ...

In our solar system, Mercury, Venus, Earth, and Mars have period ratios of about 2.6, 1.6, and 1.9, respectively. Overall, the study showed that our solar system fits reasonably well into the team ...

The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system in ...

Astronomers have captured direct images of exoplanets in a star system 130 light years away, providing clues on gas giant ...

The coloration happens because a bit of reddish sunlight still reaches the moon's surface, even though it's in Earth's shadow. A total solar eclipse occurs when the moon comes in between the ...