Space News & Blog Articles

The universe is not just expanding – its rate of expansion is accelerating. And that expansion rate is even faster than the leading theory predicts it should be, leaving cosmologists puzzled.

Satellites observed a coronal mass ejection on Wednesday (Nov. 15), capturing a bright burst of super-hot plasma that warped the sun's magnetic field.

Season 4 finds its groove with a story about divisions on the Happy Valley base — and the importance of a fast internet connection.

An icy volcanic comet that is three times as large as Mount Everest, nicknamed the "Devil Comet," erupted again Nov. 14. This is the fourth explosive event for 12P/Pons-Brooks since July 2023.

Sicily's Mount Etna volcano erupted on Nov. 12, and ESA satellites caught the event in infrared.

Celebrate April's total solar eclipse with these 10 awesome viewing events, parties and festivals.

A new calibration technique allowed the ALMA radio telescope to capture its highest-resolution image ever, featuring a star in the final stages of its evolution.

This deal is exclusive to Lego Insiders members, it goes live this weekend and it's free to sign up.

Mars will disappear from the sky for a few weeks on Saturday (Nov. 18), moving to the opposite side of the sun as seen from Earth during the Red Planet’s period of solar conjunction.

Travelers from near and far aren't letting the launch delay deprive them of their chance to see the world's largest rocket — Starship — take flight.

Data from NASA's Kepler telescope shows why puffy sub-Neptunes are shrinking to rocky super-Earths.

The "Demon Star" of Algol gets eclipsed this week by one of its stellar siblings. Here's what you need to know.

Astronauts on the International Space Station harmlessly lost a tool bag during a spacewalk on Nov. 1. A new telescope image from Rome shows the stray bag shining among the stars.

The rocket body that slammed into the moon in March 2022 was part of the Long March 3C that launched China's Chang'e 5-T1 mission in 2014, a new study finds.

SpaceX delayed its second test flight of a Starship rocket and Super Heavy booster to no earlier than Saturday (Nov. 18), to replace a rocket part.

The magnolia wood LignoSat is an attempt to make space junk biodegradable. NASA and Japan's space agency (JAXA) could launch it as soon as 2024.

The rocky exoplanet LTT 1445Ac, located about 22.5 light years away, has been observed transiting its star by the Hubble Space Telescope.

One of the most famous of the annual meteor showers will soon be reaching its maximum: The Leonids. These ultrafast meteors are due to reach their peak on Saturday morning (Nov. 18).

Missing neon in a planet-forming disk of gas and dust indicates a change in radiation that's slowly eroding the disk.

SpaceX has a two-hour window to launch the Starship SN25 spacecraft and Super Heavy rocket on Nov. 17, starting at 8 a.m. EST (1300 GMT).

Jupiter's moon Io, the most volcanically active world in the solar system, may possess a global ocean of magma underneath its surface, as well as mysteriously warm poles, a new study finds.