Galaxy merger Arp-Madore 417-391 is on display in this new image captured by the Hubble Space Telescope's Advanced Camera for ...

The “Big, Beautiful Bill” has nearly $10 billion earmarked for NASA – including funding for a Houston program that was on the ...

When sunspots erupt at nearly the same time, it could be something known as "sympathetic solar flares." A double eruption ...

The comet should be visible by telescope through September, before it gets too close to the sun, and reappear in December on ...

The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar ...

Astronomers are tracking a newly spotted comet hailing from parts unknown, only the third time such an interstellar object ...

A comet has entered the Solar System from interstellar space and will pass through the inner planets later this year, NASA ...

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

A new investigation into old Kepler data has revealed that a planetary system once thought to house zero planets actually has ...