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SpaceX capsule returns to Earth with first all-private space station crew

A SpaceX crew capsule splashed down in the Atlantic Ocean off the coast of Georgia Monday with a retired NASA astronaut and three wealthy businessmen, closing out an extended 17-day mission on the first fully commercial, non-government visit to the ...

Solar cycle: What is it and why does it matter?

The solar cycle describes an approximately 11-year cycle of solar activity driven by the sun's magnetic field and indicated by the frequency and intensity of sunspots visible on the surface. Solar cycles are repetitive yet difficult to predict.

NASA to roll Artemis 1 moon rocket off the launch pad today: Watch it live

The huge Artemis 1 stack — a Space Launch System (SLS) rocket with an Orion crew capsule on top — is scheduled to roll off Pad 39B at NASA's Kennedy Space Center (KSC) in Florida today at about 5:30 p.m. EDT (2130 GMT). Watch it live here at Space.com, ...

Spectacular morning shows on hand as moon, Venus and Jupiter align this week

A diagram showing the location of the moon, Jupiter and Venus before sunrise on April 26, 2022. (Image credit: Starry Night). The celestial highlight in the days ahead will involve the three brightest objects in the nighttime sky: the moon and the ...

How Pluto walks a tightrope between a stable and chaotic orbit

The former ninth planet, now considered a dwarf planet, has an unusual orbit that is highly elongated and tilted with respect to the orbits of the planets. For 20 years of its 248-year journey around the sun, Pluto actually moves inside Neptune's orbit.

Axiom Space, SpaceX change the landscape of private spaceflight with Ax-1 mission

Four private astronauts made history today (April 25), splashing safely down on Earth after completing the first fully private crewed mission aboard the International Space Station. Today, a SpaceX Dragon capsule splashed down off the coast of ...

Private Ax-1 astronauts return to Earth, ending historic SpaceX mission

The first-ever all-private astronaut mission to the International Space Station is in the books. A SpaceX Dragon capsule carrying the four crewmembers of the Ax-1 mission splashed down in the Atlantic Ocean off the coast of Jacksonville, Florida today ...

Hubble Space Telescope studies peculiar 'ultra-diffuse galaxy' (photo)

Dark matter and old groups of stars are some of the mysteries associated with this galaxy type.

Planetary Decadal Survey says it's time for a mission to Uranus (and Enceladus too)

Phys.Org

Phys.Org

These reports, appropriately named Planetary Science Decadal Surveys, help inform future NASA missions that address the mysteries that persist in astronomy, astrophysics, earth science, and heliophysics. On Thursday, ...

Axiom's private astronauts depart space station after 15-day stay

A SpaceX Crew Dragon capsule carrying four non-professional astronauts, the first fully commercial, non-government crew to visit the International Space Station, undocked from the outpost Sunday, heading for re-entry and splashdown Monday to close out ...