These worlds are among the least dense ever found, and all attempts to probe their atmospheres have been blocked by a mysterious smog.
The spring equinox marks the first day of spring today, but daylight actually lasts several minutes longer than night. Here's why the equinox doesn't appear perfectly equal.
A cosmic explosion with an energy equivalent to the output of a billion suns went unnoticed by astronomers until they caught the "echo" of this gamma-ray burst.
NASA has used advanced imaging techniques to peer inside samples of asteroid Bennu, discovering extensive networks of cracks running throughout the rock particles.
The new film probes the possibility of alien life – here's how the science of Project Hail Mary stacks up.
If you're a fan of Lego, rockets or Tintin, (I am), you'll want the new Tintin Moon Rocket set, featuring six minifigures, available to purchase from April 1.
The South Korean startup Innospace failed during its first orbital launch attempt, which sent five satellites aloft on Dec. 22 from Brazil.
One of the two spacecraft that make up Europe's Proba-3 solar-eclipse mission just reestablished contact with its handlers after being incommunicado for a month.
AI could soon be able to hijack satellites and cause them to collide with other spacecraft, triggering a cascade that could render Earth orbit unsafe.
Look west after sunset on March 19 to try spotting a razor-thin crescent moon less than 24 hours old with brilliant Venus lighting the way.
Calling all Browncoats! The original cast of the cult space western will return to voice their cartoon counterparts.
Zhang Lu matched Chen Dong's tally of six spacewalks as he and crewmate Wu Fei completed a seven-hour excursion outside China's space station.
Rejoice, PlayStation gamers! "Starfield" is finally making the hyperspace journey to PS5 alongside some major game updates for everyone.
SpaceX conducted a static fire test with the first stage of its V3 Starship on Monday (March 16), a milestone moment for this bigger, more powerful megarocket variant.
NASA astronauts Jessica Meir and Chris Williams prepared the International Space Station for the addition a new solar array during a spacewalk on Wednesday, March 18, 2026.
"Cosmic archaeologists" have discovered an iron-deficient second-generation star, which provides evidence of how ancient stars enriched their successors.
NASA will roll its Artemis 2 moon rocket out to the launch pad on Thursday (March 19) ahead of a planned April 1 liftoff, and you can watch the action live.
Two 'missing' episodes of Doctor Who are coming to BBC iPlayer in the UK, so if you have an account, you can stream them, save 73% and claim a voucher with NordVPN.
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