An astronomer reports on a very old galaxy cluster - labeled XLSSC 122 - whose light has taken 10.4 billion years to travel across the universe to us.

Researchers concluded that even a contained nuclear conflict would take a toll on Earth's oceans and potentially disrupt the human food web. "The impacts are huge," a scientist said.

ESA's sun-exploring Solar Orbiter will be the first spacecraft ever to fly over the sun's poles. It'll study the origin of the solar wind, which has the potential to affect earthly technologies.

Find all 5 bright planets in February 2020. Use Venus to find Mercury after sunset, and then look for Saturn on line with Mars and Jupiter in the morning sky.

A “beating heart” of frozen nitrogen controls Pluto’s winds and may give rise to features on its surface, according to a new study.

We think of Uranus and Neptune almost as twins. In some ways, they are very similar. But a new study by researchers at PlanetS explains why, in some aspects, they are also radically different.

Open through February 29, the contest lets you use real astronomical data and tools to create your own beautiful image of the iconic starburst galaxy M82.

The full moon instant occurs on February 9, 2020, at 7:33 UTC. The moon will appear full to the eye on both February 8 and 9. It'll be near the star Regulus in Leo. We in North America call the February full moon the Snow Moon or Hunger Moon.

Solar Orbiter - aka SolO - will take the first direct images of the sun’s poles. Following Sunday's launch, the spacecraft will take a loopy path through the inner solar system, borrowing thrust from the powerful gravitational fields of Earth and Venus.

A Cygnus resupply spacecraft headed for the International Space Station is scheduled to launch on Sunday, February 9, from Wallops Flight Facility in Virginia. How and when to watch live in the sky, or on NASA TV.