Space weather isn’t referring to rain clouds that float through the galaxy. Instead, it’s caused by massive explosions of particles that shoot out from the Sun.

Scientists have discovered that the 3I/ATLAS — a Manhattan-sized interstellar object that potentially has alien tech — is much larger than previously thought.... First discovered by NASA on July 1, ...

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and Earth. The authors dubbed it Planet Y.

Need a refresher about 3I/ATLAS? Here's everything to know about the interstellar object, including when the latest observations will be made.

A mysterious object traveling through our solar system may have emitted a signal, according to a scientist. This enigmatic entity, potentially originating from beyond our solar system, has sparked ...

Now, in a new yet-to-be-peer-reviewed paper, an international team of astronomers analyzed data collected by the European Very Large Telescope’s Ultraviolet and Visual Echelle Spectrograph (UVES) — ...

A mysterious celestial body speeding through the solar system and shedding metals was captured in July by the Very Large Telescope in Chile, one of five developed by NASA to detect objects that might ...

When news first broke that a foreign body, nicknamed Atlas, had drifted into our solar system from the deep unknown, the story ignited imaginations across the world. Unlike the countless comets and ...

Our solar system’s third discovered interstellar visitor, comet 3I/Atlas, will dip into the glare of the Sun this week, leaving the detective work on this object to spacecraft far from Earth.

In a remarkable development, NASA has confirmed the detection of a mysterious object entering our solar system, classifying it as a visitor from interstellar space. This revelation, made in 2025, ...