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An alien comet is now passing through our solar system. Here's what we know
On July 1, 2025, the Asteroid Terrestrial-impact Last Alert System (ATLAS) survey telescope, located in northern Chile, ...
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Planet X: Could a Massive World 10 Times Larger Than Earth Be Hiding in Our Solar System?
What if there’s a planet hiding in our solar system, 10 times larger than Earth? While this theory has yet to be confirmed, ...
A Solar System Is Born: Planet-Forming “Pebbles” Detected Around Two Distant Young Stars
Centimeter-sized pebbles have been detected in protoplanetary discs using e‑MERLIN, filling in a critical phase of planet ...
Mystery space rock blazing through solar system ‘may be oldest comet ever seen’ – and there’s a chance you can spot it
AN INTERSTELLAR space rock zooming through our solar system may be the oldest comet ever seen by humans, according to ...
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NASA probe flies into the Sun and captures the origins of solar storms
In its closest-ever dive into the Sun’s atmosphere, NASA’s Parker Solar Probe has returned stunning new images and data that ...
When Theia struck Earth, it helped set the stage for life to appear
How did Earth, alone among the solar system's rocky planets, become the home for life? How, among all this frigid ...
A comet from an entirely different solar system is flying through ours, NASA says
Officially named 3I/ATLAS, the comet was confirmed as having originated outside of Earth's solar system on July 3, according ...
Rare object from another star spotted zipping around our solar system
A new interstellar object, A11pl3Z, has been discovered in our solar system, marking the third such object to be observed. It ...