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NASA's Curiosity rover finds building blocks of life on Mars. Scientists aren't sure how they got there
NASA's Curiosity rover has found a diverse mix of organic molecules on Mars, including chemicals considered building blocks for the origin of life on Earth.
Aurora forecast April 21 — Northern lights linger as geomagnetic activity continues to ease
The latest aurora forecast for tonight helps you make sure you're in the right place at the right time to see the northern lights.
How to see the Lyrid meteor shower tonight: Where to look in the night sky
The Lyrids are back! Here's where to look and how to spot these shooting stars.
Watch the Lyrid meteor shower 2026 online today with these free livestreams
These global night sky cams let you hunt for Lyrids from the comfort of your own home.
SpaceX launches advanced GPS satellite for US Space Force after rocket swap (photos)
SpaceX launched a new GPS satellite for the U.S. Space Force early Tuesday morning (April 21) — a mission that was originally supposed to fly on a competitor's rocket.
NASA shuts down Voyager 1 instrument to keep probe exploring interstellar space
NASA engineers have shut down another instrument on Voyager 1 to preserve the power of the most distant spacecraft ever sent into space.
600 rocket landings! SpaceX notches another milestone during Sunday Starlink launch (video)
A SpaceX Falcon 9 rocket carrying 25 Starlink satellites lifted off from Vandenberg Space Force Station in California on April 19. The mission featured the 600th landing of a Falcon first stage.
Scientists found a 'bathtub ring' on Mars. Could it be evidence of an ancient Red Planet ocean?
A huge geological structure on Mars resembling a bathtub ring may be evidence of an ocean that once covered a third of the Red Planet.
