I/ATLAS might be over 7 billion years old, a new study reports, which would make it the oldest comet known. But experts caution we need more data.

The scientific community was appalled by the news that president Donald Trump's administration was looking to deal a ...

Over the past decade, researchers have been puzzling through Pluto’s mysteries. Meanwhile, the New Horizons probe heads for interstellar space.

After defending his PhD thesis on modeling interstellar objects on Monday, June 30, Matthew Hopkins intended to take some ...

While US officials are worried about Russian anti-satellite weapons, or ASATs, the behavior of Russia's Nivelir satellites is puzzling. It's clear that Russia is deliberately launching these ...

NASA’s New Horizons probe, which hurtled past Pluto in 2015, demonstrates that it can sail through interstellar space using ...

Astronomers tracking an interstellar object flying through the solar system think it comes from a star at least 8 billion ...

As for when this three-day event will happen, there are three days this summer when the moon will be around its furthest ...

As the administration slashes spending on science, NASA is running low on new missions.

The planets in order from the Sun are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. If you include the ...

Celebrate the Fourth with the Fireworks Galaxy, then check out the Demon Star Algol and the Full Buck Moon in the sky this ...

What's happening in the skies over North Texas this month? July holds some spectacular sights in the night and morning sky.