Project Kuiper is scheduled for 83 launches in the next five years.
The multi-day rehearsal is the final step as NASA readies its gigantic Moon rocket for a possible launch in June.
The exoplanet, found in old Kepler data, is twice as far away as any other seen by the retired space telescope.
A nearly 13-billion-year-old star named Earendel will be an early test for the Webb Space Telescope.
Two craters on a vast lava plain show how the planet’s surface geology has changed over time.
The new message is really cool, but we need to have a serious discussion about whether we should be trying to contact extraterrestrials.
Concerns have been raised that NASA might inadvertently disclose information that helps an adversary build ballistic missiles.
The dwarf planet must pack a lot of heat, otherwise its expansive cryovolcanoes wouldn’t exist, new research suggests.
The European Space Agency is looking for another way to get the rover to Mars after it cut ties with Roscosmos.
The new strategy calls for an extra launch to the Red Planet and a delivery date of the precious samples no earlier than 2033.
Sound travels slower on Mars compared to Earth—but it gets even slower at low frequencies.
The Solar Orbiter probe was 46 million miles from the Sun at the time the extraordinary image was taken.
Artemis astronauts will require sophisticated vehicles to support their lunar expeditions.
Webb will be a "game changer" in our understanding of distant worlds, scientists say.
The newly discovered comet is now just a fading smudge in the southern skies.
With the Space Launch System rollout complete, NASA will begin preparations for a critical rehearsal.
A new survey detected 3,500 candidate signals, but none were deemed sufficient to prove the existence of the hypothetical world.
The Mars mission was supposed to launch this year, but the collaborative project is now on hold.
Live coverage of the historic rollout begins at 5:00 p.m. EDT (2:00 p.m. PDT).
NASA says the Webb telescope will perform according to expectations, “if not better.”
