Astronomers discover a rare white dwarf formed by a stellar merger, challenging what we know about star death and cosmic collisions.

That strange interstellar object flying by us may, according to one outlandish astronomer, have been sent by aliens to see ...

The most striking science photos of the week: including the Perseid meteor shower and glowing underwater wonders.

STARRS Observatory in Hawaii made history in 2017 when they detected 'Oumuamua, the first interstellar object (ISO) ever ...

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The simplest explanation — that Punctum is an extreme example of something familiar — hasn’t been ruled out. A magnetar in an ...

As Roman’s launch approaches, Rose and his team’s Hourglass Simulation provides a crucial preview of the telescope’s ...

No one knows where the comet came from. It’s like glimpsing a rifle bullet for a thousandth of a second,” said David Jewitt, ...

NASA has shared new details about 3I/ATLAS. It is an interstellar object moving at 209,000 km/h. Hubble images show it is ...

Hubble has captured the faint beauty of NGC 45, a spiral galaxy in Cetus whose glowing pink star-forming clouds reveal hidden ...

The recent discovery of a potential gas giant circling the nearby star Alpha Centauri A has led to speculation that it may be ...

NASA Goddard Space Flight Center's Dr. Jennifer Wiseman explains the Hubble Space Telescope's view of the Pillars of Creation ...