The levels of a heavy form of hydrogen in 3I/ATLAS are 30 to 40 times higher than in Earth's oceans, suggesting the comet has ...

The tail of Interstellar Comet 3I/ATLAS is seen in the imagery captured by the Gemini Multi-Object Spectrograph (GMOS) on ...

As interstellar comet 3I/ATLAS makes its closest approach to gas giant Jupiter, a team of astronomers has concluded it may be ...

NASA chief Jared Issacman appears to be among those who support Pluto being reclassified as a planet. Could President Trump ...

NASA will provide live coverage as two American astronauts are due to spend hours Wednesday, March 18, on a spacewalk outside ...

Breaking space news, the latest updates on rocket launches, skywatching events and more! You are now subscribed Your ...

Debate has raged for two decades over whether Pluto should be considered a planet. Some want President Trump to take action ...

Elon Musk's SpaceX is set to launch a Falcon 9 rocket from Cape Canaveral, Florida. Here are best places to watch liftoff and ...