Fluffy strands of cosmic gas and dust illuminated by bright young stars form a beautiful cloudscape in a neighboring nebula.

It's a new type of three-body problem for astronomers, who used the Hubble Space Telescope to determine that twin asteroids ...

Most Planets Have No Known Date of First Observation . Before we begin, I want you to imagine a clear night sky you've ...

Two NASA spacecraft have teamed up to capture direct images of Uranus. The Hubble Space Telescope and the New Horizons Pluto ...

"Starburst galaxies birth lots of hot blue stars that burn fast and die quickly in explosions that unleash intense ...

The puzzle of predicting how three gravitationally bound bodies move in space has challenged mathematicians for centuries, and has most recently been popularized in the novel and television show "3 ...

A newly identified Kuiper Belt trio, possibly only the second of its kind, could provide strong evidence that these distant ...

“New Horizons shattered a major paradigm of planetary science,” says Alan Stern, the mission’s principal investigator. “Pluto turns out to have as much complexity as Mars or Earth, so much so that I ...

Astronomers have discovered what they believed to be a rare stable trio of gravitationally bound Kuiper Belt objects, ...

The Hubble Space Telescope captured an image of the spiral galaxy UGC 5460, located 60 million light-years away, which has experienced two recent supernovae: SN 2011ht and SN 2015as.

The largest KBO is dwarf planet Pluto. The Hubble finding is crucial support ... NASA's James Webb Space Telescope is also joining in on the study of Altjira as it will check if the components ...