Radio signal 9 billion light-years away: What it means and where it came from

A radio signal nearly 9 billion light-years away from Earth was captured in a new recording, detected by India's Giant Metrewave Radio Telescope.

NASA announces plan to test nuclear rocket engine for possible Mars mission

NASA says they are testing the rocket engine with a plan to have an in-space demonstration by 2027. This technology could help astronauts travel to and from planets faster.

NASA's Virginia rocket launch expected to be visible across DC area; lift off scheduled for Tuesday

UPDATE: NASA has canceled the Electron rocket launch scheduled for Monday, Jan. 23 due to unfavorable weather conditions. The launch has been rescheduled for Tuesday, Jan. 24 between 6 p.m. and 8 p.m.

First Native American woman in space steps out on spacewalk

Nicole Mann, a Marine colonel and test pilot, rocketed into orbit last fall with SpaceX, becoming the first Native American woman in space. She is a member of the Wailacki of the Round Valley Indian Tribes in Northern California.

Flashes of light may help scientists predict when solar flares may explode from the sun

Researchers used data collected from NASA’s Solar Dynamics Observatory to identify small signals of the sun’s atmosphere that will help to identify which regions on the sun were more likely to produce solar flares.

Russia to replace crew capsule at space station after coolant leak

Russian space corporation Roscosmos said Wednesday that it will launch a new spacecraft to take some of the International Space Station's crew back to Earth after their capsule was damaged and leaked coolant.

Bright green comet may become visible to naked eye later this month

C/2022 E3 (ZTF) hasn’t come so close to Earth since the last ice age, experts say. Here’s how you may be able to see it later this month.

Old NASA satellite falls harmlessly from sky off Alaska coast

After almost 40 years circling Earth, a retired NASA science satellite plunged harmlessly through the atmosphere off the coast of Alaska, NASA reported Monday.

Mesmerizing 'light pillars' illuminate the night sky in Minnesota

A phenomenon known as "light pillars" illuminated the night sky above Graceville, Minnesota, and put on a spectacular show early Thursday morning.

A look back at 2022’s most pivotal moments of space exploration

This year saw dozens of rocket launches and space science milestones that will help us better understand Earth and our universe.

Look up: See all 7 planets in the sky through the end of the year

For the most part, all seven planets can be viewed in the dusk sky with the naked eye, but you might want to grab your binoculars just in case.

Apollo 8’s biblical Christmas Eve message: 'God bless all of you – all of you on the good Earth'

In 1968, the crew of Apollo 8 was told they’d have the largest audience in history as they headed for the moon on Christmas Eve. But what should they say to the conflicted planet they’d left behind?

'Rescue vehicle' may be needed to bring cosmonauts, NASA astronaut home from space

NASA and the Russian Space Agency managers are still working on a plan for how two cosmonauts and a NASA astronaut will return to Earth after their ride home from the International Space Station was damaged.