'Bear' on Mars captures internet's imagination

Is it a bear? A "doge"? The internet has mixed opinions about an image from NASA showing an animal's face on Mars.

Green comet sighting: Here's when to see this celestial view unlikely to return for millions of years

This celestial sighting is a bit like space-speed dating. Astronomers only just learned of Comet C/2022 E3's existence, and it will be gone before we know it. Learn how it was discovered and why a naked-eye comet is rare.

SpaceX in final preparation for Starship orbital test flight from Texas

After a series of high-altitude tests and landing attempts with Starship prototypes, Elon Musk's company SpaceX plans to conduct an orbital test flight as soon as February or March.

Moon will eclipse Mars next week; here's how and when to see it

It’s not every day the moon moves in front of a bright planet, but the likely once-in-a-lifetime event for some parts of the U.S. is happening soon.

NASA: Asteroid will miss but come close to Earth

NASA said Wednesday that this newly discovered asteroid will zoom 2,200 miles above the southern tip of South America.

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

Astronomers said it marked the first time this type of radio signal has been detected at such a large distance. "It’s the equivalent to a look-back in time of 8.8 billion years."

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.

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.

Alaskan aurora chaser gets amazing display right on his doorstep

Vincent Ledvina is a self-described “aurora chaser”, but there was no chasing necessary one recent night, when he was treated to a vivid display of the northern lights right on his own doorstep.

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.