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

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

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." ...

Tracy Caldwell Dyson completed a 184-day mission, while cosmonauts Oleg Kononenko and Nikolai Chub tallied the longest single mission stay on the ISS at 374 days. For Kononenko, the landing also ...

New observations suggest our estimates of the cosmic dipole effect are actually in line with the large scale structure of the universe.

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 ...

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

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

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.