The pieces are in place for SpaceX's Crew-9 astronaut mission, which is set to launch this week.

Here's a five-page peek at Zac Thompson and Daniel Picciotto's October one-shot. When you purchase through links on our site, ...

SpaceX has pulled some pieces of its Starship megarocket from the sea. On Sunday evening (Sept. 22), SpaceX founder and CEO Elon Musk posted on X a photo of dripping and damaged rocket hardware being ...

Two rockets carried remote-sensing and 'Internet of Things' satellites to orbit. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. China launched ...

Theoretically, if one of these gamma-ray bursts happened within 1,000 light-years of Earth, it could wipe out all life on our ...

Dox Castle will be the first stop during Perseverance's bonus trek to the western rim of Mars' Jezero Crater. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

"Understanding how different asteroid materials vaporize and deflect will be critical for preparing for a planetary defense mission, should the need arise." ...

"I believe that this is probably one of the most detailed solar time lapses ever made by an independent astrophotographer." ...

The Shenzhou 18 crew went through a drill to prepare for a possible depressurization scenario. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

The sunspot AR3835 erupted on Sunday (Sept. 22) during Earth's equinox when a glancing blow can cause a geomagnetic storm.

"Early dark energy is one possible addition to the standard cosmological model that would preserve its many successes and resolve the Hubble tension," team member Michael Boylan-Kolchin, a professor ...

"Finding one such alignment is a needle in the haystack. Finding all of these is like eight needles precisely lined up inside that haystack." ...