A fluffy, Jupiter-sized planet may be triggering deadly flares from its star, leading to the slow destruction of its own atmosphere.

Researchers take into consideration data collected by various satellites and spot fast solar winds changing the direction of ...

Rocky bodies called protoplanets were thought to have formed slightly earlier in the inner solar system than those beyond the ...

An object dubbed 3I/ATLAS is only the third interloper from outside the Solar System seen in all of human history.

Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, ...

Atomic-6's "space mast" and "space hinge" technology, backed by $2M from the Space Force, will allow satellites to avoid collisions.

But in space or on the Moon, there are no power lines, no sunlight at night and no backup grid. Every system — from life ...

The object gained an official name, C/2025 N1 or 3I/ATLAS, on Wednesday. Moving at a record-setting speed for an interstellar ...

Jupiter isn’t alone in this category; Saturn, Uranus, and Neptune are also gas giants, though Uranus and Neptune are often ...

I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...

Beginning in the 1960s, satellite instruments have measured Earth's reflected broadband shortwave radiation and emitted ...

Stars often whip their planets with solar winds and radiation, pull them ever closer with gravity and sear them with heat.