Tech

clouds can be seen beneath the curvature of earth under a dark blue sky at the edge of space

DARPA accidentally detects SpaceX Falcon 9 rocket reentry by listening to Earth's atmosphere

By Brett Tingley published

Researchers with the U.S. military's Defense Advanced Research Projects Agency (DARPA) have successfully used Earth's atmosphere as a sensor to detect a distant disturbance.

Tech

This spacecraft swarm could spot interstellar visitors zipping through our solar system

By Stefanie Waldek published

Hiroyasu Tsukamota has developed a deep-learning-based guidance and control framework called Neural-Rendezvous that could allow spacecraft to safely encounter interstellar objects.

Tech
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Spaceflight

space capsule with four parachutes splashes down in the blue sea

SpaceX's private Fram2 astronauts splash down on Earth, ending historic polar orbit expedition

By Josh Dinner last updated

SpaceX's Fram2, the first crewed mission ever fly a polar orbit, splashed down today (April 4), returning four private astronauts to Earth.

Private Spaceflight
a black and white profile photo of a female astronaut wearing a spacesuit

Astronaut's new NASA portrait is a blast from the past: Space photo of the day

By Robert Z. Pearlman published

NASA photographer Josh Valcarcel captured Zena Cardman in a pose evocative of one of the first female astronaut's portraits.

Human Spaceflight
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Science & Astronomy

What is the moon phase today? Lunar phases 2025

By Tariq Malik, Daisy Dobrijevic last updated

Reference See what moon phase it is tonight and find out when you can see the rest of the moon phases for 2025.

Reference
The proposed Mars Science Hexacopter would be far larger and more capable than Ingenuity.

Meet 'Nighthawk': Mars helicopter mission could be big leap for exploration

By Andrew Jones published

NASA's next Mars chopper concept could do far more than fly — it could help unlock the planet's watery past, reveal signs of life and scout landing zones for astronauts.

Mars
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Meet the team

Search For Life

man sits on a rock under the milky way

The Fermi Paradox: Where are all the aliens?

By Daisy Dobrijevic last updated

Reference The Fermi Paradox seeks to answer the question of where the aliens are. After all, the universe is incredibly old, big and filled with potentially habitable planets.

Reference
An image of Cassiopeia A (Cas A), the remnant of a massive star that exploded about 300 years ago.

Massive star explosions may have triggered two mass extinctions in Earth's past: 'It would be terrifying.'

By Sharmila Kuthunur published

Two nearby explosive massive star deaths, or supernovas, may have triggered mass extinction events in Earth's distant past, new research suggests.

Search for Life

'Poppy seeds' and 'leopard spots' on Mars could hint at ancient microbial life

By Sharmila Kuthunur published

A rock on Mars that may hold clues about ancient microbial life on the Red Planet continues to puzzle scientists.

Search for Life
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Skywatching

a bright pale yellow orb can be seen in the brightening morning sky above a coastline

How to see Venus light the sky as the bright 'morning star' through fall 2025

By Joe Rao published

After putting on a great show in our evening sky since the fall of 2024, dazzling Venus puts on a spectacular showing for early morning risers for the balance of 2025.

Stargazing
HoverAir X1 PRO in flight

HoverAir X1 PRO drone review

By James Abbott published

Review The HoverAir X1 PRO is one of two new ZeroZero Robotics selfie drone models and is the more affordable option of the two with 4K video capture with a host of optional accessories available.

Review

Northern lights forecasts, alerts, and geomagnetic storm warnings

By Daisy Dobrijevic last updated

The latest aurora forecast for tonight help you make sure you're in the right place at the right time to see the northern lights.

Aurora Borealis
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Entertainment

Screenshot from the trailer for Starseeker: Astroneer Expeditions, showing a bunch of astronauts interacting at a sci-fi base.

'Starseeker: Astroneer Expeditions' brings co-op space adventures to Nintendo Switch 2 (and other platforms) in 2026 (video)

By Fran Ruiz published

The Astroneer universe is expanding, and this follow-up will be all about "discovery, cooperative expeditions, and camaraderie".

Space Games & Toys
Screenshot from Doom: The Dark Ages

Doom: The Dark Ages — Release date, trailers & everything we know

By Fran Ruiz published

More than five years after Doom Eternal, we’re once again ready to rip and tear through demons in Doom: The Dark Ages.

Space Games & Toys
Five sci-fi characters with a star-filled background

Captain Pike and his crew explore a lost Starfleet vessel in a new 'Star Trek: Strange New Worlds' novel coming later this month

By Jeff Spry published

'Strange New Worlds' Season 3 is coming soon, so why not crack open this thrilling new 'Star Trek' book to set the mood?

Entertainment
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References

What is the moon phase today? Lunar phases 2025

By Tariq Malik, Daisy Dobrijevic last updated

Reference See what moon phase it is tonight and find out when you can see the rest of the moon phases for 2025.

Reference
Graphic illustration with 'space calendar' in large blue neon letters and 2025 below it in smaller white letters. Below the title are four neon images depicting a meteor or comet, a telescope, a rocket launch and an astronaut's helmet. There is a starry background to the entire image.

Space calendar 2025: Rocket launches, skywatching events, missions & more!

By Space.com last updated

Reference Keep up with all the rocket launches, astronomical events and mission milestones for 2025 with our space calendar.

Reference
man sits on a rock under the milky way

The Fermi Paradox: Where are all the aliens?

By Daisy Dobrijevic last updated

Reference The Fermi Paradox seeks to answer the question of where the aliens are. After all, the universe is incredibly old, big and filled with potentially habitable planets.

Reference
VIEW MORE