NASA has detected a mysterious object near Jupiter’s orbit, leaving scientists puzzled. The unknown entity could be a new ...

At the time, the Earth would have been far closer to the moon than it is today, making it perhaps twice as large in the lunar ...

Through the use of the electromagnetic spectrum, especially infrared, NASA scientists have peered deeper into Jupiter’s ...

Astronomer Eliza Kempton said that she had waited her "entire career" to peer into an atmosphere from this mysterious class of planets.

Astronomers have probed the physical environment of repeating X-ray outbursts near monster black holes thanks to data from NASA's NICER (Neutron star Interior Composition Explorer) and other missions.

An alternate explanation that fits the evidence is that Vesta was once part of a planet – but which planet that might been ...

Juno’s latest discoveries have pulled back the veil on Jupiter’s harsh atmosphere and the fiery volcanic world of Io. The ...